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  1. 28 6月, 2012 1 次提交
  3. 27 6月, 2012 2 次提交
    • L
      rtlwifi: rtl8192se: Fix double inclusion of header pci.h · 46e5129b
      由 Larry Finger 提交于 
      The command "make includecheck" yields the following for the rtlwifi tree:

/home/finger/linux-2.6/drivers/net/wireless/rtlwifi/rtl8192se/sw.c: ../pci.h is included more than once.
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      46e5129b
    • L
      rtlwifi: Fix IRQ disabled warning · 5a2766ab
      由 Larry Finger 提交于 
      The PCI-based drivers can generate the following warning:

[ 9497.776350] ------------[ cut here ]------------
[ 9497.776366] WARNING: at kernel/softirq.c:159 local_bh_enable_ip+0x7a/0xa0()
[ 9497.776370] Hardware name: 05794NC
[ 9497.776597] Pid: 6413, comm: hostapd Not tainted 3.3.0-4.fc16.x86_64 #1
[ 9497.776601] Call Trace:
[ 9497.776612]  [<ffffffff81057b1f>] warn_slowpath_common+0x7f/0xc0
[ 9497.776633]  [<ffffffffa034a099>] ? rtl_pci_reset_trx_ring+0x199/0x230
[rtlwifi]
[ 9497.776640]  [<ffffffff81057b7a>] warn_slowpath_null+0x1a/0x20
[ 9497.776646]  [<ffffffff8105f06a>] local_bh_enable_ip+0x7a/0xa0
[ 9497.776654]  [<ffffffff815f3ef6>] _raw_spin_unlock_bh+0x16/0x20
[ 9497.776671]  [<ffffffffa03e50de>] destroy_conntrack+0x9e/0x120
[nf_conntrack]
[ 9497.776681]  [<ffffffff81511847>] nf_conntrack_destroy+0x17/0x20
[ 9497.776689]  [<ffffffff814d9c85>] skb_release_head_state+0xe5/0x120
[ 9497.776695]  [<ffffffff814d98b6>] __kfree_skb+0x16/0xa0
[ 9497.776700]  [<ffffffff814d9a35>] kfree_skb+0x45/0xc0
[ 9497.776717]  [<ffffffffa034a099>] rtl_pci_reset_trx_ring+0x199/0x230
[rtlwifi]
[ 9497.776734]  [<ffffffffa034a155>] rtl_pci_start+0x25/0x1d0 [rtlwifi]
[ 9497.776750]  [<ffffffffa03440b5>] rtl_op_start+0x55/0x90 [rtlwifi]
[ 9497.776785]  [<ffffffffa02c4956>] ieee80211_do_open+0x296/0xa10 [mac80211]
[ 9497.776794]  [<ffffffff815f7ddd>] ? notifier_call_chain+0x4d/0x70
[ 9497.776828]  [<ffffffffa02c513d>] ieee80211_open+0x6d/0x80 [mac80211]
[ 9497.776836]  [<ffffffff814e8b3f>] __dev_open+0x8f/0xe0
[ 9497.776842]  [<ffffffff814e8de1>] __dev_change_flags+0xa1/0x180
[ 9497.776847]  [<ffffffff814e8f78>] dev_change_flags+0x28/0x70
[ 9497.776856]  [<ffffffff8154e99d>] devinet_ioctl+0x61d/0x7b0
[ 9497.776863]  [<ffffffff8154ef55>] inet_ioctl+0x75/0x90
[ 9497.776870]  [<ffffffff814cdd50>] sock_do_ioctl+0x30/0x70
[ 9497.776876]  [<ffffffff814cee09>] sock_ioctl+0x79/0x2f0
[ 9497.776885]  [<ffffffff81193498>] do_vfs_ioctl+0x98/0x550
[ 9497.776891]  [<ffffffff811939e1>] sys_ioctl+0x91/0xa0
[ 9497.776897]  [<ffffffff815fc029>] system_call_fastpath+0x16/0x1b
[ 9497.776902] ---[ end trace 22886c442489082d ]---

The cause is due to calling kfree_skb() with interrupts disabled.

This bug is discussed in https://bugzilla.redhat.com/show_bug.cgi?id=797709.

Reported-and-Tested by: Ivan Ivanovich <iivanich@gmail.com>
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      5a2766ab
  5. 23 6月, 2012 1 次提交
  7. 21 6月, 2012 1 次提交
  9. 07 6月, 2012 1 次提交
    • J
      wireless: Remove casts to same type · 2c208890
      由 Joe Perches 提交于 
      Adding casts of objects to the same type is unnecessary
and confusing for a human reader.

For example, this cast:

        int y;
        int *p = (int *)&y;

I used the coccinelle script below to find and remove these
unnecessary casts.  I manually removed the conversions this
script produces of casts with __force, __iomem and __user.

@@
type T;
T *p;
@@

-       (T *)p
+       p

Neatened the mwifiex_deauthenticate_infra function which
was doing odd things with array pointers and not using
is_zero_ether_addr.
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      2c208890
  11. 19 5月, 2012 1 次提交
    • S
      USB: Disable hub-initiated LPM for comms devices. · e1f12eb6
      由 Sarah Sharp 提交于 
      Hub-initiated LPM is not good for USB communications devices.  Comms
devices should be able to tell when their link can go into a lower power
state, because they know when an incoming transmission is finished.
Ideally, these devices would slam their links into a lower power state,
using the device-initiated LPM, after finishing the last packet of their
data transfer.

If we enable the idle timeouts for the parent hubs to enable
hub-initiated LPM, we will get a lot of useless LPM packets on the bus
as the devices reject LPM transitions when they're in the middle of
receiving data.  Worse, some devices might blindly accept the
hub-initiated LPM and power down their radios while they're in the
middle of receiving a transmission.

The Intel Windows folks are disabling hub-initiated LPM for all USB
communications devices under a xHCI USB 3.0 host.  In order to keep
the Linux behavior as close as possible to Windows, we need to do the
same in Linux.

Set the disable_hub_initiated_lpm flag for for all USB communications
drivers.  I know there aren't currently any USB 3.0 devices that
implement these class specifications, but we should be ready if they do.
Signed-off-by: NSarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: Marcel Holtmann <marcel@holtmann.org>
Cc: Gustavo Padovan <gustavo@padovan.org>
Cc: Johan Hedberg <johan.hedberg@gmail.com>
Cc: Hansjoerg Lipp <hjlipp@web.de>
Cc: Tilman Schmidt <tilman@imap.cc>
Cc: Karsten Keil <isdn@linux-pingi.de>
Cc: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Jan Dumon <j.dumon@option.com>
Cc: Petko Manolov <petkan@users.sourceforge.net>
Cc: Steve Glendinning <steve.glendinning@smsc.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: Kalle Valo <kvalo@qca.qualcomm.com>
Cc: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com>
Cc: Jouni Malinen <jouni@qca.qualcomm.com>
Cc: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Cc: Senthil Balasubramanian <senthilb@qca.qualcomm.com>
Cc: Christian Lamparter <chunkeey@googlemail.com>
Cc: Brett Rudley <brudley@broadcom.com>
Cc: Roland Vossen <rvossen@broadcom.com>
Cc: Arend van Spriel <arend@broadcom.com>
Cc: "Franky (Zhenhui) Lin" <frankyl@broadcom.com>
Cc: Kan Yan <kanyan@broadcom.com>
Cc: Dan Williams <dcbw@redhat.com>
Cc: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Cc: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Gertjan van Wingerde <gwingerde@gmail.com>
Cc: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: Herton Ronaldo Krzesinski <herton@canonical.com>
Cc: Hin-Tak Leung <htl10@users.sourceforge.net>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Chaoming Li <chaoming_li@realsil.com.cn>
Cc: Daniel Drake <dsd@gentoo.org>
Cc: Ulrich Kunitz <kune@deine-taler.de>
Signed-off-by: NSarah Sharp <sarah.a.sharp@linux.intel.com>
      e1f12eb6
  13. 15 5月, 2012 1 次提交
  15. 11 5月, 2012 1 次提交
    • J
      drivers/net: Convert compare_ether_addr to ether_addr_equal · 2e42e474
      由 Joe Perches 提交于 
      Use the new bool function ether_addr_equal to add
some clarity and reduce the likelihood for misuse
of compare_ether_addr for sorting.

Done via cocci script:

$ cat compare_ether_addr.cocci
@@
expression a,b;
@@
-	!compare_ether_addr(a, b)
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	compare_ether_addr(a, b)
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!ether_addr_equal(a, b) == 0
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!ether_addr_equal(a, b) != 0
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	ether_addr_equal(a, b) == 0
+	!ether_addr_equal(a, b)

@@
expression a,b;
@@
-	ether_addr_equal(a, b) != 0
+	ether_addr_equal(a, b)

@@
expression a,b;
@@
-	!!ether_addr_equal(a, b)
+	ether_addr_equal(a, b)
Signed-off-by: NJoe Perches <joe@perches.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
      2e42e474
  17. 24 4月, 2012 7 次提交
  19. 17 4月, 2012 2 次提交
    • A
      net/wireless: use module_pci_driver · 5b0a3b7e
      由 Axel Lin 提交于 
      This patch converts the drivers in drivers/net/wireless/* to use
module_pci_driver() macro which makes the code smaller and a bit simpler.
Signed-off-by: NAxel Lin <axel.lin@gmail.com>
Cc: "John W. Linville" <linville@tuxdriver.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Nick Kossifidis <mickflemm@gmail.com>
Cc: "Luis R. Rodriguez" <mcgrof@qca.qualcomm.com>
Cc: Simon Kelley <simon@thekelleys.org.uk>
Cc: Jouni Malinen <j@w1.fi>
Cc: Lennert Buytenhek <buytenh@wantstofly.org>
Cc: Christian Lamparter <chunkeey@googlemail.com>
Cc: Ivo van Doorn <IvDoorn@gmail.com>
Cc: Larry Finger <Larry.Finger@lwfinger.net>
Cc: linux-wireless@vger.kernel.org
Acked-by: NLennert Buytenhek <buytenh@wantstofly.org>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      5b0a3b7e
    • L
      rtlwifi: rtl8192ce: Remove false positives for kmemleak · f11bbfd8
      由 Larry Finger 提交于 
      When rtl8192ce is in operation, kmemleak indicates a number of leaks, yet
when the driver is removed all are gone. These false positives happen
in two locations:

unreferenced object 0xffff880041124000 (size 9536):
  comm "work_for_cpu", pid 9295, jiffies 4295037203 (age 20596.320s)
  hex dump (first 32 bytes):
    33 00 00 01 01 6d 00 00 00 00 b1 0e 21 0b 00 00  3....m......!...
    01 01 6d 00 00 00 00 8b 20 c0 e9 00 00 01 01 6d  ..m..... ......m
  backtrace:
    [<ffffffff8137a1b1>] kmemleak_alloc+0x21/0x50
    [<ffffffff8138d01f>] kmalloc_large_node+0x9a/0xa6
    [<ffffffff811335a5>] __kmalloc_node_track_caller+0x175/0x3b0
    [<ffffffff812ddfe3>] __alloc_skb+0x73/0x230
    [<ffffffff812de1b8>] dev_alloc_skb+0x18/0x30
    [<ffffffffa091a3b7>] rtl_pci_probe+0x10e0/0x17d2 [rtlwifi]
-- snip --
unreferenced object 0xffff8800b4d3f600 (size 256):
  comm "kworker/u:2", pid 13221, jiffies 4297830173 (age 9424.568s)
  hex dump (first 32 bytes):
    1c d6 45 b1 00 88 ff ff 1c d6 45 b1 00 88 ff ff  ..E.......E.....
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<ffffffff8137a1b1>] kmemleak_alloc+0x21/0x50
    [<ffffffff81130f43>] kmem_cache_alloc_node+0x153/0x270
    [<ffffffff812ddfb6>] __alloc_skb+0x46/0x230
    [<ffffffff812de1b8>] dev_alloc_skb+0x18/0x30
    [<ffffffffa093264a>] rtl92c_set_fw_rsvdpagepkt+0x22a/0x5c0 [rtl8192c_common]
-- snip --
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      f11bbfd8
  21. 15 4月, 2012 1 次提交
  23. 13 4月, 2012 3 次提交
  25. 12 4月, 2012 3 次提交
  27. 11 4月, 2012 2 次提交
  29. 10 4月, 2012 5 次提交
  31. 27 3月, 2012 1 次提交
  33. 20 3月, 2012 1 次提交
  35. 07 3月, 2012 1 次提交
  37. 06 3月, 2012 3 次提交
  39. 28 2月, 2012 1 次提交
  41. 23 2月, 2012 1 次提交
    • T
      rtlwifi: rtl8192se firmware load can overflow target buffer · 3fccdcf5
      由 Tim Gardner 提交于 
      Define RTL8190_MAX_RAW_FIRMWARE_CODE_SIZE which represents the
maximimum possible firmware file size. Use it in the definition
of the buffer which receives the firmware file data.

Set RTL8190_MAX_RAW_FIRMWARE_CODE_SIZE closer to the actual size of
the firmware file, e.g., 90000 (down from hard coded 164000). The current
size of rtlwifi/rtl8192sefw.bin is 88856.

Set max_fw_size to RTL8190_MAX_RAW_FIRMWARE_CODE_SIZE for the size limit
check. Fix the error case where max_fw_size is not cleared if the size
limit check fails.

Cc: Chaoming Li <chaoming_li@realsil.com.cn>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: NTim Gardner <tim.gardner@canonical.com>
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
      3fccdcf5