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| author | Christian Brauner <christian@brauner.io> | 2018-07-04 11:25:16 +0200 |
|---|---|---|
| committer | Michal Hocko <mhocko@suse.com> | 2018-07-04 11:25:16 +0200 |
| commit | af2d1cacdf99a8c69a0f1225f2c42d7f33fcd69c (patch) | |
| tree | 820542b60f2f4342cda5677cdb904f17c86310a4 | |
| parent | 0feb4aedb0f936345680609dc1d85557ff74779f (diff) | |
| download | mm-akpm/signals.tar.gz | |
signal: make get_signal() return boolakpm/signals
make get_signal() already behaves like a boolean function. Let's actually
declare it as such too.
Link: http://lkml.kernel.org/r/20180602103653.18181-18-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>
| -rw-r--r-- | include/linux/signal.h | 2 | ||||
| -rw-r--r-- | kernel/signal.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/signal.h b/include/linux/signal.h index fa23cae66758b..e3d9e0640e6ec 100644 --- a/include/linux/signal.h +++ b/include/linux/signal.h @@ -265,7 +265,7 @@ extern void set_current_blocked(sigset_t *); extern void __set_current_blocked(const sigset_t *); extern int show_unhandled_signals; -extern int get_signal(struct ksignal *ksig); +extern bool get_signal(struct ksignal *ksig); extern void signal_setup_done(int failed, struct ksignal *ksig, int stepping); extern void exit_signals(struct task_struct *tsk); extern void kernel_sigaction(int, __sighandler_t); diff --git a/kernel/signal.c b/kernel/signal.c index 9f9b4183178e2..786bacc60649d 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2287,7 +2287,7 @@ static int ptrace_signal(int signr, siginfo_t *info) return signr; } -int get_signal(struct ksignal *ksig) +bool get_signal(struct ksignal *ksig) { struct sighand_struct *sighand = current->sighand; struct signal_struct *signal = current->signal; @@ -2297,7 +2297,7 @@ int get_signal(struct ksignal *ksig) task_work_run(); if (unlikely(uprobe_deny_signal())) - return 0; + return false; /* * Do this once, we can't return to user-mode if freezing() == T. |