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authorChristian Brauner <christian@brauner.io>2018-08-21 21:59:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2018-08-22 10:52:50 -0700
commit6527de953354e550bf6d941fdcd1aaf832317e8d (patch)
treea13e56617584ec655132a5f6f92596c41af00d0c /kernel
parentbb17fcca078fc56ea7c7611cbe92687021cf6a31 (diff)
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signal: make may_ptrace_stop() return bool
may_ptrace_stop() already behaves like a boolean function. Let's actually declare it as such too. Link: http://lkml.kernel.org/r/20180602103653.18181-4-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>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/signal.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 5b0fb57b23f0..f03886cd064e 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -1875,10 +1875,10 @@ static void do_notify_parent_cldstop(struct task_struct *tsk,
spin_unlock_irqrestore(&sighand->siglock, flags);
}
-static inline int may_ptrace_stop(void)
+static inline bool may_ptrace_stop(void)
{
if (!likely(current->ptrace))
- return 0;
+ return false;
/*
* Are we in the middle of do_coredump?
* If so and our tracer is also part of the coredump stopping
@@ -1894,9 +1894,9 @@ static inline int may_ptrace_stop(void)
*/
if (unlikely(current->mm->core_state) &&
unlikely(current->mm == current->parent->mm))
- return 0;
+ return false;
- return 1;
+ return true;
}
/*