A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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Filename Latest commit message Latest commit date
Oleg Nesterov 24336eaeec pids: introduce change_pid() helper 
Based on Eric W. Biederman's idea.

Without tasklist_lock held task_session()/task_pgrp() can return NULL if the
caller races with setprgp()/setsid() which does detach_pid() + attach_pid().
This can happen even if task == current.

Intoduce the new helper, change_pid(), which should be used instead.  This way
the caller always sees the special pid != NULL, either old or new.

Also change the prototype of attach_pid(), it always returns 0 and nobody
check the returned value.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Cc:  "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Pavel Emelyanov <xemul@openvz.org>
Cc: Roland McGrath <roland@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-04-30 08:29:48 -07:00
..
acpi
asm-alpha kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-arm pxafb: preliminary smart panel interface support 2008-04-30 08:29:32 -07:00
asm-avr32 kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-blackfin kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-cris kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-frv kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-generic kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-h8300 kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-ia64 signals: ia64 renumber TIF_RESTORE_SIGMASK 2008-04-30 08:29:37 -07:00
asm-m32r kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-m68k kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-m68knommu kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-mips kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-mn10300 kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-parisc kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-powerpc Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc 2008-04-29 08:19:14 -07:00
asm-ppc [RAPIDIO] Move include/asm-ppc/rio.h to asm-powerpc 2008-04-29 19:40:27 +10:00
asm-s390 signals: s390: renumber TIF_RESTORE_SIGMASK 2008-04-30 08:29:37 -07:00
asm-sh kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-sparc kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-sparc64 kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-um kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-v850 kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
asm-x86 signals: x86 TS_RESTORE_SIGMASK 2008-04-30 08:29:37 -07:00
asm-xtensa kernel: Move arches to use common unaligned access 2008-04-29 08:06:27 -07:00
crypto
keys
linux pids: introduce change_pid() helper 2008-04-30 08:29:48 -07:00
math-emu
media Merge git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/v4l-dvb 2008-04-29 14:53:40 -07:00
mtd
net Merge branch 'audit.b50' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/audit-current 2008-04-29 11:41:22 -07:00
pcmcia
rdma IB: expand ib_umem_get() prototype 2008-04-29 08:06:12 -07:00
rxrpc
scsi IB/iser: Count FMR alignment violations per session 2008-04-29 13:46:52 -07:00
sound [ALSA] Add MPU401_INFO_NO_ACK bitflag 2008-04-29 19:01:56 +02:00
video
xen
Kbuild