- 02 8月, 2013 12 次提交
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由 Michael S. Tsirkin 提交于
macvlan passthrough mode is special: it's not possible to switch to or from it through a netlink command. But if you try, the command will succeed, which is confusing. Validate input and return error to user. Cc: Sridhar Samudrala <sri@us.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Ying Xue 提交于
When creation of TIPC internal server socket fails, we get an oops with the following dump: BUG: unable to handle kernel NULL pointer dereference at 0000000000000020 IP: [<ffffffffa0011f49>] tipc_close_conn+0x59/0xb0 [tipc] PGD 13719067 PUD 12008067 PMD 0 Oops: 0000 [#1] SMP DEBUG_PAGEALLOC Modules linked in: tipc(+) CPU: 4 PID: 4340 Comm: insmod Not tainted 3.10.0+ #1 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 task: ffff880014360000 ti: ffff88001374c000 task.ti: ffff88001374c000 RIP: 0010:[<ffffffffa0011f49>] [<ffffffffa0011f49>] tipc_close_conn+0x59/0xb0 [tipc] RSP: 0018:ffff88001374dc98 EFLAGS: 00010292 RAX: 0000000000000000 RBX: ffff880012ac09d8 RCX: 0000000000000000 RDX: 0000000000000046 RSI: 0000000000000001 RDI: ffff880014360000 RBP: ffff88001374dcb8 R08: 0000000000000001 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffa0016fa0 R13: ffffffffa0017010 R14: ffffffffa0017010 R15: ffff880012ac09d8 FS: 0000000000000000(0000) GS:ffff880016600000(0063) knlGS:00000000f76668d0 CS: 0010 DS: 002b ES: 002b CR0: 000000008005003b CR2: 0000000000000020 CR3: 0000000012227000 CR4: 00000000000006e0 Stack: ffff88001374dcb8 ffffffffa0016fa0 0000000000000000 0000000000000001 ffff88001374dcf8 ffffffffa0012922 ffff88001374dce8 00000000ffffffea ffffffffa0017100 0000000000000000 ffff8800134241a8 ffffffffa0017150 Call Trace: [<ffffffffa0012922>] tipc_server_stop+0xa2/0x1b0 [tipc] [<ffffffffa0009995>] tipc_subscr_stop+0x15/0x20 [tipc] [<ffffffffa00130f5>] tipc_core_stop+0x1d/0x33 [tipc] [<ffffffffa001f0d4>] tipc_init+0xd4/0xf8 [tipc] [<ffffffffa001f000>] ? 0xffffffffa001efff [<ffffffff8100023f>] do_one_initcall+0x3f/0x150 [<ffffffff81082f4d>] ? __blocking_notifier_call_chain+0x7d/0xd0 [<ffffffff810cc58a>] load_module+0x11aa/0x19c0 [<ffffffff810c8d60>] ? show_initstate+0x50/0x50 [<ffffffff8190311c>] ? retint_restore_args+0xe/0xe [<ffffffff810cce79>] SyS_init_module+0xd9/0x110 [<ffffffff8190dc65>] sysenter_dispatch+0x7/0x1f Code: 6c 24 70 4c 89 ef e8 b7 04 8f e1 8b 73 04 4c 89 e7 e8 7c 9e 32 e1 41 83 ac 24 b8 00 00 00 01 4c 89 ef e8 eb 0a 8f e1 48 8b 43 08 <4c> 8b 68 20 4d 8d a5 48 03 00 00 4c 89 e7 e8 04 05 8f e1 4c 89 RIP [<ffffffffa0011f49>] tipc_close_conn+0x59/0xb0 [tipc] RSP <ffff88001374dc98> CR2: 0000000000000020 ---[ end trace b02321f40e4269a3 ]--- We have the following call chain: tipc_core_start() ret = tipc_subscr_start() ret = tipc_server_start(){ server->enabled = 1; ret = tipc_open_listening_sock() } I.e., the server->enabled flag is unconditionally set to 1, whatever the return value of tipc_open_listening_sock(). This causes a crash when tipc_core_start() tries to clean up resources after a failed initialization: if (ret == failed) tipc_subscr_stop() tipc_server_stop(){ if (server->enabled) tipc_close_conn(){ NULL reference of con->sock-sk OOPS! } } To avoid this, tipc_server_start() should only set server->enabled to 1 in case of a succesful socket creation. In case of failure, it should release all allocated resources before returning. Problem introduced in commit c5fa7b3c ("tipc: introduce new TIPC server infrastructure") in v3.11-rc1. Note that it won't be seen often; it takes a module load under memory constrained conditions in order to trigger the failure condition. Signed-off-by: NYing Xue <ying.xue@windriver.com> Signed-off-by: NJon Maloy <jon.maloy@ericsson.com> Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Cong Wang 提交于
Eliezer renames several *ll_poll to *busy_poll, but forgets CONFIG_NET_LL_RX_POLL, so in case of confusion, rename it too. Cc: Eliezer Tamir <eliezer.tamir@linux.intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NCong Wang <amwang@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Cong Wang 提交于
When CONFIG_NET_LL_RX_POLL is not set, I got: net/socket.c: In function ‘sock_poll’: net/socket.c:1165:4: error: implicit declaration of function ‘sk_busy_loop’ [-Werror=implicit-function-declaration] Fix this by adding a nop when !CONFIG_NET_LL_RX_POLL. Cc: Eliezer Tamir <eliezer.tamir@linux.intel.com> Cc: David S. Miller <davem@davemloft.net> Signed-off-by: NCong Wang <amwang@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jack Morgenstein 提交于
Slaves get the 64B CQE/EQE state from QUERY_HCA, not from the module parameter. If the parameter is set to zero, the slave outputs an incorrect/irrelevant warning message that 64B CQEs/EQEs are supported but not enabled (even if the hypervisor has enabled 64B CQEs/EQEs). Signed-off-by: NJack Morgenstein <jackm@dev.mellanox.co.il> Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Or Gerlitz 提交于
If the user has not assigned a MAC address to a VM, then don't give it MAC which is based on the PF one. The current derivation scheme is wrong and leads to VM MAC collisions when the number of cards/hypervisors becomes big enough. Instead, just give it zeros and let them figure out what to do with that. Signed-off-by: NOr Gerlitz <ogerlitz@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Benc 提交于
There's a race in IPv6 automatic addess assignment. The address is created with zero lifetime when it's added to various address lists. Before it gets assigned the correct lifetime, there's a window where a new address may be configured. This causes the semi-initiated address to be deleted in addrconf_verify. This was discovered as a reference leak caused by concurrent run of __ipv6_ifa_notify for both RTM_NEWADDR and RTM_DELADDR with the same address. Fix this by setting the lifetime before the address is added to inet6_addr_lst. A few notes: 1. In addrconf_prefix_rcv, by setting update_lft to zero, the if (update_lft) { ... } condition is no longer executed for newly created addresses. This is okay, as the ifp fields are set in ipv6_add_addr now and ipv6_ifa_notify is called (and has been called) through addrconf_dad_start. 2. The removal of the whole block under ifp->lock in inet6_addr_add is okay, too, as tstamp is initialized to jiffies in ipv6_add_addr. Signed-off-by: NJiri Benc <jbenc@redhat.com> Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Jiri Pirko 提交于
Signed-off-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Michal Kubeček 提交于
As pointed out by Eric Dumazet, net->ipv6.ip6_rt_last_gc should hold the last time garbage collector was run so that we should update it whenever fib6_run_gc() calls fib6_clean_all(), not only if we got there from ip6_dst_gc(). Signed-off-by: NMichal Kubecek <mkubecek@suse.cz> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Michal Kubeček 提交于
On a high-traffic router with many processors and many IPv6 dst entries, soft lockup in fib6_run_gc() can occur when number of entries reaches gc_thresh. This happens because fib6_run_gc() uses fib6_gc_lock to allow only one thread to run the garbage collector but ip6_dst_gc() doesn't update net->ipv6.ip6_rt_last_gc until fib6_run_gc() returns. On a system with many entries, this can take some time so that in the meantime, other threads pass the tests in ip6_dst_gc() (ip6_rt_last_gc is still not updated) and wait for the lock. They then have to run the garbage collector one after another which blocks them for quite long. Resolve this by replacing special value ~0UL of expire parameter to fib6_run_gc() by explicit "force" parameter to choose between spin_lock_bh() and spin_trylock_bh() and call fib6_run_gc() with force=false if gc_thresh is reached but not max_size. Signed-off-by: NMichal Kubecek <mkubecek@suse.cz> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless由 David S. Miller 提交于
John W. Linville says: ==================== This pull request is intended for the 3.11 stream. It is a bit larger than usual, as it includes pulls from most of my feeder trees as well... For the Bluetooth bits, Gustavo says: "A few fixes and devices ID additions for 3.11: * There are 4 new ath3k device ids * Fixed stack memory usage in ath3k. * Fixed the init process of BlueFRITZ! devices, they were failing to init due to an unsupported command we sent. * Fixed wrong use of PTR_ERR in btusb code that was preventing intel devices to work properly. * Fixed race condition between hci_register_dev() and hci_dev_open() that could cause a NULL pointer dereference. * Fixed race condition that could call hci_req_cmd_complete() and make some devices to fail as showed in the log added to the commit message." Regarding the NFC bits, Samuel says: "We have: 1) A build failure fix for the NCI SPI transport layer due to a missing CRC_CCITT Kconfig dependency. 2) A netlink command rename: CMD_FW_UPLOAD was merged during the 3.11 merge window but the typical terminology for loading a firmware to a target is firmware download rather than upload. In order to avoid any confusion in a file exported to userspace, we rename this command to CMD_FW_DOWNLOAD." Samuel's item #2 isn't strictly a fix, but it seems safe and should avoid confusion in the future. As for the mac80211 bits, Johannes says: "I only have three fixes this time, a fix for a suspend regression, a patch correcting the initiator in regulatory code and one fix for mesh station powersave." With respect to the iwlwifi bits, Johannes says: "We have a scan fix for passive channels, a new PCI device ID for an old device, a NIC reset fix, an RF-Kill fix, a fix for powersave when GO interfaces are present as well as an aggregation session fix (for a corner case) and a workaround for a firmware design issue - it only supports a single GTK in D3." Bringing-up the rear with the Atheros trees, Kalle says: "Geert Uytterhoeven fixed an ath10k build problem when NO_DMA=y. I added a missing MAINTAINERS entry for ath10k and updated ath6kl git tree location." Along with the above... Arend van Spriel fixes a brcmfmac WARNING when unplugging the device. Avinash Patil proves a couple of minor mwifiex fixes relating to P2P mode. Luciano Coelho updates the MAINTAINERS entry for the wilink drivers. Stanislaw Gruszka brings an rt2x00 fix for a queue start/stop problem. Stone Piao fixes another mwifiex problem, a command timeout related to P2P mode. Tomasz Moń corrects an endian problem in mwifiex. I'll remind my feeder maintainers to slowdown the patchflow. Beyond that, please let me know if there are problems! ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 John W. Linville 提交于
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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- 01 8月, 2013 21 次提交
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由 Linus Lüssing 提交于
If there is no querier on a link then we won't get periodic reports and therefore won't be able to learn about multicast listeners behind ports, potentially leading to lost multicast packets, especially for multicast listeners that joined before the creation of the bridge. These lost multicast packets can appear since c5c23260 ("bridge: Add multicast_querier toggle and disable queries by default") in particular. With this patch we are flooding multicast packets if our querier is disabled and if we didn't detect any other querier. A grace period of the Maximum Response Delay of the querier is added to give multicast responses enough time to arrive and to be learned from before disabling the flooding behaviour again. Signed-off-by: NLinus Lüssing <linus.luessing@web.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Neil Horman 提交于
Self explanitory dma_mapping_error addition to the 8139 driver, based on this: https://bugzilla.redhat.com/show_bug.cgi?id=947250 It showed several backtraces arising for dma_map_* usage without checking the return code on the mapping. Add the check and abort the rx/tx operation if its failed. Untested as I have no hardware and the reporter has wandered off, but seems pretty straightforward. Signed-off-by: NNeil Horman <nhorman@tuxdriver.com> CC: "David S. Miller" <davem@davemloft.net> CC: Francois Romieu <romieu@fr.zoreil.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dan Carpenter 提交于
The "pvc" struct has a hole after pvc.sap_family which is not cleared. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Reviewed-by: NJiri Pirko <jiri@resnulli.us> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 hayeswang 提交于
- fix the conversion between cpu and __le32 - replace some pla_ocp and usb_ocp functions with generic_ocp function Signed-off-by: NHayes Wang <hayeswang@realtek.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 hayeswang 提交于
Allocate the required memory before calling usb_control_msg. And the additional memory copy is necessary. Signed-off-by: NHayes Wang <hayeswang@realtek.com> Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 hayeswang 提交于
Replace 0 with the result from usbnet_cdc_bind(). Signed-off-by: NHayes Wang <hayeswang@realtek.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 hayeswang 提交于
Don't replace the usb_control_msg() with usbnet_{read,write}_cmd() which couldn't be called inside suspend/resume callback. Keep the basic functions unlimited. Instead, using usb_autopm_get_interface() and usb_autopm_put_interface() in r815x_mdio_{read,write}(). Signed-off-by: NHayes Wang <hayeswang@realtek.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 hayeswang 提交于
Some USB buffers use stack which may not be DMA-able. Use the buffers from kmalloc to replace those one. Signed-off-by: NHayes Wang <hayeswang@realtek.com> Acked-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull networking fixes from David Miller: 1) Fix association failures not triggering a connect-failure event in cfg80211, from Johannes Berg. 2) Eliminate a potential NULL deref with older iptables tools when configuring xt_socket rules, from Eric Dumazet. 3) Missing RTNL locking in wireless regulatory code, from Johannes Berg. 4) Fix OOPS caused by firmware loading races in ath9k_htc, from Alexey Khoroshilov. 5) Fix usb URB leak in usb_8dev CAN driver, also from Alexey Khoroshilov. 6) VXLAN namespace teardown fails to unregister devices, from Stephen Hemminger. 7) Fix multicast settings getting dropped by firmware in qlcnic driver, from Sucheta Chakraborty. 8) Add sysctl range enforcement for tcp_syn_retries, from Michal Tesar. 9) Fix a nasty bug in bridging where an active timer would get reinitialized with a setup_timer() call. From Eric Dumazet. 10) Fix use after free in new mlx5 driver, from Dan Carpenter. 11) Fix freed pointer reference in ipv6 multicast routing on namespace cleanup, from Hannes Frederic Sowa. 12) Some usbnet drivers report TSO and SG in their feature set, but the usbnet layer doesn't really support them. From Eric Dumazet. 13) Fix crash on EEH errors in tg3 driver, from Gavin Shan. 14) Drop cb_lock when requesting modules in genetlink, from Stanislaw Gruszka. 15) Kernel stack leaks in cbq scheduler and af_key pfkey messages, from Dan Carpenter. 16) FEC driver erroneously signals NETDEV_TX_BUSY on transmit leading to endless loops, from Uwe Kleine-König. 17) Fix hangs from loading mvneta driver, from Arnaud Patard. * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (84 commits) mlx5: fix error return code in mlx5_alloc_uuars() mvneta: Try to fix mvneta when compiled as module mvneta: Fix hang when loading the mvneta driver atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring genetlink: fix usage of NLM_F_EXCL or NLM_F_REPLACE af_key: more info leaks in pfkey messages net/fec: Don't let ndo_start_xmit return NETDEV_TX_BUSY without link net_sched: Fix stack info leak in cbq_dump_wrr(). igb: fix vlan filtering in promisc mode when not in VT mode ixgbe: Fix Tx Hang issue with lldpad on 82598EB genetlink: release cb_lock before requesting additional module net: fec: workaround stop tx during errata ERR006358 qlcnic: Fix diagnostic interrupt test for 83xx adapters. qlcnic: Fix setting Guest VLAN qlcnic: Fix operation type and command type. qlcnic: Fix initialization of work function. Revert "atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring" atl1c: Fix misuse of netdev_alloc_skb in refilling rx ring net/tg3: Fix warning from pci_disable_device() net/tg3: Fix kernel crash ...
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git://git.kernel.org/pub/scm/linux/kernel/git/sameo/nfc-fixes由 John W. Linville 提交于
Samuel Ortiz <sameo@linux.intel.com> says: 'This is the second NFC fixes pull request for 3.11. We have: - A build failure fix for the NCI SPI transport layer due to a missing CRC_CCITT Kconfig dependency. - A netlink command rename: CMD_FW_UPLOAD was merged during the 3.11 merge window but the typical terminology for loading a firmware to a target is firmware download rather than upload. In order to avoid any confusion in a file exported to userspace, we rename this command into CMD_FW_DOWNLOAD." Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth由 John W. Linville 提交于
Conflicts: net/bluetooth/hci_core.c
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由 Luciano Coelho 提交于
Soon the coelho@ti.com email will not be valid anymore, so change it to my private one. Cc: Luciano Coelho <luca@coelho.fi> Signed-off-by: NLuciano Coelho <coelho@ti.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Stone Piao 提交于
We missed bss_mode check for P2P client. Signed-off-by: NStone Piao <piaoyun@marvell.com> Signed-off-by: NAvinash Patil <patila@marvell.com> Signed-off-by: NBing Zhao <bzhao@marvell.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Avinash Patil 提交于
This patch fixes an issue wherein adhoc rates were being copied into association request from P2P client. Cc: <stable@vger.kernel.org> # 3.10.y Signed-off-by: NAvinash Patil <patila@marvell.com> Signed-off-by: NStone Piao <piaoyun@marvell.com> Signed-off-by: NBing Zhao <bzhao@marvell.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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由 Avinash Patil 提交于
This patch fixes an issue wherein association would fail on P2P interfaces. This happened because we are checking priv->mode against NL80211_IFTYPE_STATION. While this check is correct for infrastructure stations, it would fail P2P clients for which mode is NL80211_IFTYPE_P2P_CLIENT. Better check would be bss_role which has only 2 values: STA/AP. Cc: <stable@vger.kernel.org> # 3.10.y Signed-off-by: NAvinash Patil <patila@marvell.com> Signed-off-by: NStone Piao <piaoyun@marvell.com> Signed-off-by: NBing Zhao <bzhao@marvell.com> Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
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git://git.linux-mips.org/pub/scm/ralf/upstream-linus由 Linus Torvalds 提交于
Pull MIPS fixes from Ralf Baechle: - BMIPS SMP fixes - a build fix necessary for older compilers - two more bugs found my Chandras' testing - and one more build fix * 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: MIPS: BMIPS: fix slave CPU booting when physical CPU is not 0 MIPS: BMIPS: do not change interrupt routing depending on boot CPU MIPS: powertv: Fix arguments for free_reserved_area() MIPS: Set default CPU type for BCM47XX platforms MIPS: uapi/asm/siginfo.h: Fix GCC 4.1.2 compilation MIPS: Fix multiple definitions of UNCAC_BASE.
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip由 Linus Torvalds 提交于
Pull Xen fixes from Konrad Rzeszutek Wilk: - Three fixes for ARM/ARM64 to either compile or not certain generic drivers - Fix for avoiding a potential deadlock when an user space event channel is destroyed. - Fix a workqueue resuming multiple times. * tag 'stable/for-linus-3.11-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen/tmem: do not allow XEN_TMEM on ARM64 xen/evtchn: avoid a deadlock when unbinding an event channel xen/arm: enable PV control for ARM xen/arm64: Don't compile cpu hotplug xenbus: frontend resume cleanup
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由 Linus Torvalds 提交于
Merge tag 'xen-arm-3.11-rc2-warn-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen Pull Xen ARM fix from Stefano Stabellini. Update xen_restart to new calling convention. * tag 'xen-arm-3.11-rc2-warn-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/sstabellini/xen: xen/arm,arm64: update xen_restart after ff701306 and 7b6d864b
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb由 Linus Torvalds 提交于
Pull USB fixes from Greg KH: "Here are some tiny USB fixes for 3.11-rc4 Nothing major, some gadget fixes, some new device ids, a new tiny driver for the ANT+ USB device, and a number of fixes for the mos7840 driver that were much needed" * tag 'usb-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: USB: serial: ftdi_sio: add more RT Systems ftdi devices usb: chipidea: fix the build error with randconfig usb: chipidea: cast PORTSC_PTS and DEVLC_PTS macros usb: gadget: udc-core: fix the typo of udc state attribute usb: gadget: f_phonet: remove unused preprocessor conditional usb: gadget: multi: fix error return code in cdc_do_config() USB: mos7840: fix pointer casts USB: mos7840: fix race in led handling USB: mos7840: fix device-type detection USB: mos7840: fix race in register handling USB: serial: add driver for Suunto ANT+ USB device usb: gadget: free opts struct on error recovery usb: gadget: ether: put_usb_function on unbind usb: musb: fix resource passed from glue layer to musb
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty由 Linus Torvalds 提交于
Pull tty/serial driver fixes from Greg KH: "Here are 4 tiny tty and serial driver fixes for 3.11-rc4. Nothing big, a refcount leak, a module alias fix, and two fixes to the mxs-auart serial driver" * tag 'tty-3.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: arc_uart: Fix module alias tty_port: Fix refcounting leak in tty_port_tty_hangup() serial/mxs-auart: increase time to wait for transmitter to become idle serial/mxs-auart: fix race condition in interrupt handler
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- 31 7月, 2013 7 次提交
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由 Wei Yongjun 提交于
Fix to return -ENOMEM from the ioremap error handling case instead of 0, as done elsewhere in this function. Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Arnaud Patard \(Rtp\) 提交于
When the mvneta driver is compiled as module, the clock is disabled before it's loading. This will reset the registers values and all configuration made by the bootloader. This patch sets the "sgmii serdes configuration" register to a magical value found in: https://github.com/yellowback/ubuntu-precise-armadaxp/blob/master/arch/arm/mach-armadaxp/armada_xp_family/ctrlEnv/mvCtrlEnvLib.c With this change, the interrupts are working/generated and ethernet is working. Signed-off-by: NArnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Arnaud Patard \(Rtp\) 提交于
When the mvneta driver is compiled, it'll be loaded with clocks disabled. This implies that the clocks should be enabled again before any register access or it'll hang. To fix it: - enable clock earlier - move timer callback after setting timer.data Signed-off-by: NArnaud Patard <arnaud.patard@rtp-net.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Eric Dumazet 提交于
On Mon, 2013-07-29 at 08:30 -0700, Eric Dumazet wrote: > On Mon, 2013-07-29 at 13:09 +0100, Luis Henriques wrote: > > > > > I confirm that I can't reproduce the issue using this patch. > > > > Thanks, I'll send a polished patch, as this one had an error if > build_skb() returns NULL (in case sk_buff allocation fails) Please try the following patch : It should use 2K frags instead of 4K for normal 1500 mtu Thanks ! [PATCH] atl1c: use custom skb allocator We had reports ( https://bugzilla.kernel.org/show_bug.cgi?id=54021 ) that using high order pages for skb allocations is problematic for atl1c We do not know exactly what the problem is, but we suspect that crossing 4K pages is not well supported by this hardware. Use a custom allocator, using page allocator and 2K fragments for optimal stack behavior. We might make this allocator generic in future kernels. Signed-off-by: NEric Dumazet <edumazet@google.com> Cc: Luis Henriques <luis.henriques@canonical.com> Cc: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pablo Neira 提交于
Currently, it is not possible to use neither NLM_F_EXCL nor NLM_F_REPLACE from genetlink. This is due to this checking in genl_family_rcv_msg: if (nlh->nlmsg_flags & NLM_F_DUMP) NLM_F_DUMP is NLM_F_MATCH|NLM_F_ROOT. Thus, if NLM_F_EXCL or NLM_F_REPLACE flag is set, genetlink believes that you're requesting a dump and it calls the .dumpit callback. The solution that I propose is to refine this checking to make it stricter: if ((nlh->nlmsg_flags & NLM_F_DUMP) == NLM_F_DUMP) And given the combination NLM_F_REPLACE and NLM_F_EXCL does not make sense to me, it removes the ambiguity. There was a patch that tried to fix this some time ago (0ab03c2b netlink: test for all flags of the NLM_F_DUMP composite) but it tried to resolve this ambiguity in *all* existing netlink subsystems, not only genetlink. That patch was reverted since it broke iproute2, which is using NLM_F_ROOT to request the dump of the routing cache. Signed-off-by: NPablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dan Carpenter 提交于
This is inspired by a5cc68f3 "af_key: fix info leaks in notify messages". There are some struct members which don't get initialized and could disclose small amounts of private information. Acked-by: NMathias Krause <minipli@googlemail.com> Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Acked-by: NSteffen Klassert <steffen.klassert@secunet.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Samuel Ortiz 提交于
Loading a firmware into a target is typically called firmware download, not firmware upload. So we rename the netlink API to NFC_CMD_FW_DOWNLOAD in order to avoid any terminology confusion from userspace. Signed-off-by: NSamuel Ortiz <sameo@linux.intel.com>
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