From: Christian Brauner <christian@xxxxxxxxxx> Subject: 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/20180602103653.18181-17-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 | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/kernel/signal.c~signal-make-sigkill_pending-return-bool +++ a/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); } /* _
