signal: make legacy_queue() return bool

legacy_queue() 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 0e48dbc6649e122a0a13baab4fefbdec49ea4c22..3de1ba2af032eed114eff494dd97a3838c58f4e7 100644 (file)
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -972,7 +972,7 @@ static void complete_signal(int sig, struct task_struct *p, int group)
        return;
 }
 
-static inline int legacy_queue(struct sigpending *signals, int sig)
+static inline bool legacy_queue(struct sigpending *signals, int sig)
 {
        return (sig < SIGRTMIN) && sigismember(&signals->signal, sig);
 }