- 19 5月, 2012 1 次提交
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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>
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- 10 4月, 2012 1 次提交
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由 Tilman Schmidt 提交于
The "TTY buffer in tty_port" patchset introduced an opencoded debug message in the Gigaset tty device if_close() function. Change it to use the gig_dbg() macro like everywhere else in the driver. Signed-off-by: NTilman Schmidt <tilman@imap.cc> Cc: Jiri Slaby <jslaby@suse.cz> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 29 3月, 2012 1 次提交
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由 David Howells 提交于
Remove all #inclusions of asm/system.h preparatory to splitting and killing it. Performed with the following command: perl -p -i -e 's!^#\s*include\s*<asm/system[.]h>.*\n!!' `grep -Irl '^#\s*include\s*<asm/system[.]h>' *` Signed-off-by: NDavid Howells <dhowells@redhat.com>
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- 28 3月, 2012 1 次提交
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由 Dan Carpenter 提交于
There are two channels here. User space starts counting channels at one but in the kernel we start at zero. If the user passes in a zero channel that's invalid and could lead to memory corruption. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 09 3月, 2012 4 次提交
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由 Jiri Slaby 提交于
Let us port the code to use tty_port. We now use open_count and tty from there. This allows us also to use tty_port_tty_set with tty refcounting instead of hand-written locking and logic. Note that tty and open_count are no longer protected by cs->lock. It is protected by tty_port->lock. But since all the places where they were used are now switched to the helpers, we are fine. Signed-off-by: NJiri Slaby <jslaby@suse.cz> Cc: Hansjoerg Lipp <hjlipp@web.de> Acked-by: NTilman Schmidt <tilman@imap.cc> Cc: <gigaset307x-common@lists.sourceforge.net> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Jiri Slaby 提交于
Close the window in open where driver_data is reset to NULL on each open. It could cause other processes to get invalid retval from the tty->ops operations because of the checks all over the code. With this change we may do other cleanups. Now, the only valid check for tty->driver_data != NULL is in close. This can happen only if open fails at gigaset_get_cs_by_tty or try_module_get. The rest of checks in various tty->ops->* are invalid as driver_data cannot be NULL there. The same holds for cs->open_count. So remove them. Signed-off-by: NJiri Slaby <jslaby@suse.cz> Cc: Hansjoerg Lipp <hjlipp@web.de> Cc: Tilman Schmidt <tilman@imap.cc> Cc: gigaset307x-common@lists.sourceforge.net Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Jiri Slaby 提交于
Checking if tty->index is in bounds is not needed. The tty has the index set in the initial open. This is done in get_tty_driver. And it can be only in interval <0,driver->num). So remove the tests which check exactly this interval. Some are left untouched as they check against the current backing device count. (Leaving apart that the check is racy in most of the cases.) Signed-off-by: NJiri Slaby <jslaby@suse.cz> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Jiri Slaby 提交于
All num, magic and owner are set by alloc_tty_driver. No need to re-set them on each allocation site. pti driver sets something different to what it passes to alloc_tty_driver. It is not a bug, since we don't use the lines parameter in any way. Anyway this is fixed, and now we do the right thing. Signed-off-by: NJiri Slaby <jslaby@suse.cz> Acked-by: NTilman Schmidt <tilman@imap.cc> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 05 3月, 2012 1 次提交
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由 Paul Mackerras 提交于
Since all that include/linux/if_ppp.h does is #include <linux/ppp-ioctl.h>, this replaces the occurrences of #include <linux/if_ppp.h> with #include <linux/ppp-ioctl.h>. It also corrects an error in Documentation/networking/l2tp.txt, where it referenced include/linux/if_ppp.h as the source of some definitions that are actually now defined in include/linux/if_pppol2tp.h. Signed-off-by: NPaul Mackerras <paulus@samba.org> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 28 2月, 2012 1 次提交
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由 Joe Perches 提交于
Commas are not generally used at locations where statement termination semicolons are used. Realign each field set at appropriate indentation. Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 22 2月, 2012 1 次提交
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由 Joe Perches 提交于
isdn source code uses a not-current coding style. Update the coding style used on a per-line basis so that git diff -w shows only elided blank lines at EOF. Done with emacs and some scripts and some typing. Built x86 allyesconfig. No detected change in objdump -d or size. Signed-off-by: NJoe Perches <joe@perches.com>
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- 13 2月, 2012 4 次提交
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由 Masanari Iida 提交于
Correct spelling "modul" to "module" in drivers/isdn/mISDN/dsp_core.c Signed-off-by: NMasanari Iida <standby24x7@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Masanari Iida 提交于
Correct spelling "reseting" to "resetting" in drivers/isdn/i4l/isdn_ppp.c Signed-off-by: NMasanari Iida <standby24x7@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Danny Kukawka 提交于
Removed unused variable hfcsusb_rev (-Wunused-variable) and copied Revision info to file comment block above to keep the info. Signed-off-by: NDanny Kukawka <danny.kukawka@bisect.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Masanari Iida 提交于
Correct spelling "ioclt" to "ioctl" in drivers/isdn/hisax/callc.c Correct spelling "asigned" to "assigned" in drivers/isdn/hisax/tei.c Signed-off-by: NMasanari Iida <standby24x7@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 10 2月, 2012 1 次提交
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由 Dan Carpenter 提交于
We use len to store the return value from eth_header(). eth_header() can return -ETH_HLEN (-14). We want to pass this back instead of truncating it to 65522 and returning that. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Acked-by: NNeil Horman <nhorman@tuxdriver.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 2月, 2012 2 次提交
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由 Jiri Slaby 提交于
Use the helper in the rest of the tty drivers. This is a simple replacement. Signed-off-by: NJiri Slaby <jslaby@suse.cz> Acked-by: NAlan Cox <alan@linux.intel.com> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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由 Danny Kukawka 提交于
Fix for a -Warray-bounds warning. mixer_notify_update() tries to write to ((CAPI_MSG *) msg)->info.facility_req.structs[3] while structs is defined as byte structs[1]. Set all 'structs' which are part of the typdefs in the info union to 'byte structs[0]'. v2: set all info.*.structs to byte structs[0] Signed-off-by: NDanny Kukawka <danny.kukawka@bisect.de> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 02 2月, 2012 1 次提交
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由 Akinobu Mita 提交于
Use memchr_inv to check if the data contains all same bytes. It is faster than looping for each byte. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: netdev@vger.kernel.org Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 13 1月, 2012 1 次提交
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由 Rusty Russell 提交于
module_param(bool) used to counter-intuitively take an int. In fddd5201 (mid-2009) we allowed bool or int/unsigned int using a messy trick. It's time to remove the int/unsigned int option. For this version it'll simply give a warning, but it'll break next kernel version. Acked-by: NMauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: NRusty Russell <rusty@rustcorp.com.au>
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- 11 1月, 2012 1 次提交
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由 Fabio Estevam 提交于
Fix the following build warning: warning: (ISDN_PPP) selects SLHC which has unmet direct dependencies (NETDEVICES) Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 02 1月, 2012 1 次提交
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 30 11月, 2011 2 次提交
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由 Dan Carpenter 提交于
"cfg->drvid" comes from the user so there is a possibility they didn't NUL terminate it properly. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dan Carpenter 提交于
These strings come from the user. We strcpy() them inside cf_command() so we should check that they are NULL terminated and return an error if not. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 28 11月, 2011 1 次提交
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由 Tilman Schmidt 提交于
Move the "ISDN4Linux interface" message from device registration, where it is emitted for each device, to driver registration, where it is emitted only once, for consistency with the CAPI variant. Signed-off-by: NTilman Schmidt <tilman@imap.cc> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 19 11月, 2011 1 次提交
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由 Greg Kroah-Hartman 提交于
This converts the remaining USB drivers in the kernel to use the module_usb_driver() macro which makes the code smaller and a bit simpler. Added bonus is that it removes some unneeded kernel log messages about drivers loading and/or unloading. Cc: Guenter Roeck <guenter.roeck@ericsson.com> Cc: Jean Delvare <khali@linux-fr.org> Cc: Ben Dooks <ben-linux@fluff.org> Cc: Till Harbaum <till@harbaum.org> Cc: Karsten Keil <isdn@linux-pingi.de> Cc: Chris Ball <cjb@laptop.org> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Cc: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Cc: Samuel Ortiz <sameo@linux.intel.com> Cc: Steve Glendinning <steve.glendinning@smsc.com> Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de> Cc: Evgeniy Polyakov <zbr@ioremap.net> Cc: Wim Van Sebroeck <wim@iguana.be> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jesper Juhl <jj@chaosbits.net> Cc: Artem Bityutskiy <Artem.Bityutskiy@nokia.com> Cc: Jamie Iles <jamie@jamieiles.com> Cc: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 02 11月, 2011 2 次提交
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NRichard Weinberger <richard@nod.at>
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由 Paul Bolle 提交于
That should probably be 'CONFIG_DE_AOC'. Signed-off-by: NPaul Bolle <pebolle@tiscali.nl> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 01 11月, 2011 4 次提交
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由 Paul Bolle 提交于
That should be 'CONFIG_DE_AOC'. Signed-off-by: NPaul Bolle <pebolle@tiscali.nl> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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由 Joe Perches 提交于
Standardize the style for compiler based printf format verification. Standardized the location of __printf too. Done via script and a little typing. $ grep -rPl --include=*.[ch] -w "__attribute__" * | \ grep -vP "^(tools|scripts|include/linux/compiler-gcc.h)" | \ xargs perl -n -i -e 'local $/; while (<>) { s/\b__attribute__\s*\(\s*\(\s*format\s*\(\s*printf\s*,\s*(.+)\s*,\s*(.+)\s*\)\s*\)\s*\)/__printf($1, $2)/g ; print; }' [akpm@linux-foundation.org: revert arch bits] Signed-off-by: NJoe Perches <joe@perches.com> Cc: "Kirill A. Shutemov" <kirill@shutemov.name> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Paul Gortmaker 提交于
In preparation of the module.h usage cleanup, call out the header that we need to get EXPORT_SYMBOL variants and THIS_MODULE into scope. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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由 Paul Gortmaker 提交于
So that we don't get build failures once the implicit module.h presence is terminated. Signed-off-by: NPaul Gortmaker <paul.gortmaker@windriver.com>
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- 15 9月, 2011 1 次提交
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由 Joe Perches 提交于
Signed-off-by: NJoe Perches <joe@perches.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 26 8月, 2011 1 次提交
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由 Jiri Slaby 提交于
Let's use the newly added helper to avoid stalls in drivers which are not yet ported to tty_port helpers. Those which are broken (call tty_wait_until_sent with irqs disabled) are left untouched. They are in a deeper trouble than we are trying to solve here. This includes amiserial, 68328serial, 68360serial and crisv10. Signed-off-by: NJiri Slaby <jslaby@suse.cz> Acked-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>
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- 28 7月, 2011 1 次提交
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由 Neil Horman 提交于
After the last patch, We are left in a state in which only drivers calling ether_setup have IFF_TX_SKB_SHARING set (we assume that drivers touching real hardware call ether_setup for their net_devices and don't hold any state in their skbs. There are a handful of drivers that violate this assumption of course, and need to be fixed up. This patch identifies those drivers, and marks them as not being able to support the safe transmission of skbs by clearning the IFF_TX_SKB_SHARING flag in priv_flags Signed-off-by: NNeil Horman <nhorman@tuxdriver.com> CC: Karsten Keil <isdn@linux-pingi.de> CC: "David S. Miller" <davem@davemloft.net> CC: Jay Vosburgh <fubar@us.ibm.com> CC: Andy Gospodarek <andy@greyhouse.net> CC: Patrick McHardy <kaber@trash.net> CC: Krzysztof Halasa <khc@pm.waw.pl> CC: "John W. Linville" <linville@tuxdriver.com> CC: Greg Kroah-Hartman <gregkh@suse.de> CC: Marcel Holtmann <marcel@holtmann.org> CC: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 27 7月, 2011 1 次提交
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由 Arun Sharma 提交于
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: NArun Sharma <asharma@fb.com> Reviewed-by: NEric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 21 7月, 2011 1 次提交
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由 Phil Carmody 提交于
All these are instances of #define NAME value; or #define NAME(params_opt) value; These of course fail to build when used in contexts like if(foo $OP NAME) while(bar $OP NAME) and may silently generate the wrong code in contexts such as foo = NAME + 1; /* foo = value; + 1; */ bar = NAME - 1; /* bar = value; - 1; */ baz = NAME & quux; /* baz = value; & quux; */ Reported on comp.lang.c, Message-ID: <ab0d55fe-25e5-482b-811e-c475aa6065c3@c29g2000yqd.googlegroups.com> Initial analysis of the dangers provided by Keith Thompson in that thread. There are many more instances of more complicated macros having unnecessary trailing semicolons, but this pile seems to be all of the cases of simple values suffering from the problem. (Thus things that are likely to be found in one of the contexts above, more complicated ones aren't.) Signed-off-by: NPhil Carmody <ext-phil.2.carmody@nokia.com> Signed-off-by: NJiri Kosina <jkosina@suse.cz>
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- 13 7月, 2011 1 次提交
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由 David S. Miller 提交于
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 18 6月, 2011 1 次提交
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由 Pavel Shved 提交于
if_open() calls try_module_get(), and after an attempt to lock a mutex the if_open() function may return -ERESTARTSYS without putting the module. Then, when if_open() is executed again, try_module_get() is called making the reference counter of THIS_MODULE greater than one at successful exit from if_open(). The if_close() function puts the module only once, and as a result it can't be unloaded. This patch adds module_put call before the return from if_open(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: NPavel Shved <shved@ispras.ru> Signed-off-by: NDavid S. Miller <davem@conan.davemloft.net>
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- 12 6月, 2011 1 次提交
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由 Jesper Juhl 提交于
We leak the memory allocated to 'phi' when the variable goes out of scope in hfcsusb_ph_info(). Signed-off-by: NJesper Juhl <jj@chaosbits.net> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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