From: Christian Brauner <christian@xxxxxxxxxx> Subject: 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/20180602103653.18181-16-christian@xxxxxxxxxx Signed-off-by: Christian Brauner <christian@xxxxxxxxxx> Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> Cc: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: James Morris <james.morris@xxxxxxxxxxxxx> Cc: Kees Cook <keescook@xxxxxxxxxxxx> Cc: Oleg Nesterov <oleg@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Stephen Smalley <sds@xxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- kernel/signal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/kernel/signal.c~signal-make-legacy_queue-return-bool +++ a/kernel/signal.c @@ -972,7 +972,7 @@ static void complete_signal(int sig, str 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); } _