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| author | Oleg Nesterov <oleg@redhat.com> | 2014-06-06 14:37:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-06-06 16:08:12 -0700 |
| commit | 76e0a6f40b198f08fca69221c3d0112d1e9713a7 (patch) | |
| tree | 94c9fd8483f34f6ba1ef88835fe876af16347ae2 /kernel/kmod.c | |
| parent | b4e74264eb0b03f42097fa70a0766312156244a0 (diff) | |
| download | lwn-76e0a6f40b198f08fca69221c3d0112d1e9713a7.tar.gz lwn-76e0a6f40b198f08fca69221c3d0112d1e9713a7.zip | |
signals: change wait_for_helper() to use kernel_sigaction()
Now that we have kernel_sigaction() we can change wait_for_helper() to
use it and cleans up the code a bit.
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kmod.c')
| -rw-r--r-- | kernel/kmod.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/kernel/kmod.c b/kernel/kmod.c index 0ac67a5861c5..8637e041a247 100644 --- a/kernel/kmod.c +++ b/kernel/kmod.c @@ -285,10 +285,7 @@ static int wait_for_helper(void *data) pid_t pid; /* If SIGCLD is ignored sys_wait4 won't populate the status. */ - spin_lock_irq(¤t->sighand->siglock); - current->sighand->action[SIGCHLD-1].sa.sa_handler = SIG_DFL; - spin_unlock_irq(¤t->sighand->siglock); - + kernel_sigaction(SIGCHLD, SIG_DFL); pid = kernel_thread(____call_usermodehelper, sub_info, SIGCHLD); if (pid < 0) { sub_info->retval = pid; |