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authorChristian Brauner <christian@brauner.io>2018-08-21 22:00:30 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 10:52:51 -0700
commit09ae854edb2d275d98a874c21c24c58cee4df14e (patch)
tree34a2223d41c692a8b7526fb332635573bf6da38a /kernel
parent938696a82974c33b93be9657b72521bc84f5c587 (diff)
downloadlinux-09ae854edb2d275d98a874c21c24c58cee4df14e.tar.bz2
signal: make recalc_sigpending_tsk() return bool
recalc_sigpending_tsk() already behaves like a boolean function. Let's actually declare it as such too. Link: http://lkml.kernel.org/r/20180602103653.18181-12-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.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index e00e96a7b24f..7eec2dba597e 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -138,20 +138,21 @@ static inline bool has_pending_signals(sigset_t *signal, sigset_t *blocked)
#define PENDING(p,b) has_pending_signals(&(p)->signal, (b))
-static int recalc_sigpending_tsk(struct task_struct *t)
+static bool recalc_sigpending_tsk(struct task_struct *t)
{
if ((t->jobctl & JOBCTL_PENDING_MASK) ||
PENDING(&t->pending, &t->blocked) ||
PENDING(&t->signal->shared_pending, &t->blocked)) {
set_tsk_thread_flag(t, TIF_SIGPENDING);
- return 1;
+ return true;
}
+
/*
* We must never clear the flag in another thread, or in current
* when it's possible the current syscall is returning -ERESTART*.
* So we don't clear it here, and only callers who know they should do.
*/
- return 0;
+ return false;
}
/*