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signal: make legacy_queue() return bool

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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@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>
This commit is contained in:
Christian Brauner 2018-08-21 22:00:46 -07:00 committed by Linus Torvalds
parent acd14e62f0
commit a19e2c01f7
1 changed files with 1 additions and 1 deletions
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2
kernel/signal.c
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@ -972,7 +972,7 @@ static void complete_signal(int sig, struct task_struct *p, int group)
return; 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); return (sig < SIGRTMIN) && sigismember(&signals->signal, sig);
} }