signal: make sigkill_pending() return bool

sigkill_pending() already behaves like a boolean function.  Let's actually
declare it as such too.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Christian Brauner <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Cc: Al Viro <[email protected]>
Cc: Eric W. Biederman <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: James Morris <[email protected]>
Cc: Kees Cook <[email protected]>
Cc: Oleg Nesterov <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephen Smalley <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/kernel/signal.c b/kernel/signal.c
index 3de1ba2af032eed114eff494dd97a3838c58f4e7..9f9b4183178e2bee8b420fdc70c2c50092d6a141 100644 (file)
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1904,10 +1904,10 @@ static inline bool may_ptrace_stop(void)
  * Return non-zero if there is a SIGKILL that should be waking us up.
  * Called with the siglock held.
  */
-static int sigkill_pending(struct task_struct *tsk)
+static bool sigkill_pending(struct task_struct *tsk)
 {
-       return  sigismember(&tsk->pending.signal, SIGKILL) ||
-               sigismember(&tsk->signal->shared_pending.signal, SIGKILL);
+       return sigismember(&tsk->pending.signal, SIGKILL) ||
+              sigismember(&tsk->signal->shared_pending.signal, SIGKILL);
 }
 
 /*