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authorChristian Brauner <christian@brauner.io>2018-08-22 08:00:23 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 20:52:51 +0300
commit6a0cdcd78892d4508e77cbec913eaf099ab4a8e9 (patch)
tree0b4a26e61149ee3b69e288675b74c7050ff4425b /kernel
parent41aaa481197dc566f691d403e0247bb53a017770 (diff)
downloadlinux-6a0cdcd78892d4508e77cbec913eaf099ab4a8e9.tar.xz
signal: make sig_ignored() return bool
sig_ignored() already behaves like a boolean function. Let's actually declare it as such too. Link: http://lkml.kernel.org/r/20180602103653.18181-10-christian@brauner.io Signed-off-by: Christian Brauner <christian@brauner.io> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Cc: Al Viro <viro@zeniv.linux.org.uk> Cc: Eric W. Biederman <ebiederm@xmission.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: James Morris <james.morris@microsoft.com> Cc: Kees Cook <keescook@chromium.org> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/signal.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 6e92adddd667..bcd4272639ca 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -85,7 +85,7 @@ static bool sig_task_ignored(struct task_struct *t, int sig, bool force)
return sig_handler_ignored(handler, sig);
}
-static int sig_ignored(struct task_struct *t, int sig, bool force)
+static bool sig_ignored(struct task_struct *t, int sig, bool force)
{
/*
* Blocked signals are never ignored, since the
@@ -93,7 +93,7 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
* unblocked.
*/
if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
- return 0;
+ return false;
/*
* Tracers may want to know about even ignored signal unless it
@@ -101,7 +101,7 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
* by SIGNAL_UNKILLABLE task.
*/
if (t->ptrace && sig != SIGKILL)
- return 0;
+ return false;
return sig_task_ignored(t, sig, force);
}