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signal: make sig_ignored() return bool

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sig_ignored() 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]>
This commit is contained in:
Christian Brauner 2018-08-21 22:00:23 -07:00 • committed by Linus Torvalds
commit 6a0cdcd788
1 changed files with 3 additions and 3 deletions
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6
kernel/signal.c
View file

@ -85,7 +85,7 @@ static bool sig_task_ignored(struct task_struct *t, int sig, bool force)
return sig_handler_ignored(handler, sig);
}
static int sig_ignored(struct task_struct *t, int sig, bool force)
static bool sig_ignored(struct task_struct *t, int sig, bool force)
{
/*
* Blocked signals are never ignored, since the
@ -93,7 +93,7 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
* unblocked.
*/
if (sigismember(&t->blocked, sig) || sigismember(&t->real_blocked, sig))
return 0;
return false;
/*
* Tracers may want to know about even ignored signal unless it
@ -101,7 +101,7 @@ static int sig_ignored(struct task_struct *t, int sig, bool force)
* by SIGNAL_UNKILLABLE task.
*/
if (t->ptrace && sig != SIGKILL)
return 0;
return false;
return sig_task_ignored(t, sig, force);
}