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Message-Id: <20180528215355.16119-18-christian@brauner.io>
Date:   Mon, 28 May 2018 23:53:52 +0200
From:   Christian Brauner <christian@...uner.io>
To:     linux-kernel@...r.kernel.org
Cc:     ebiederm@...ssion.com, gregkh@...uxfoundation.org,
        mingo@...nel.org, james.morris@...rosoft.com,
        keescook@...omium.org, peterz@...radead.org, sds@...ho.nsa.gov,
        viro@...iv.linux.org.uk, akpm@...ux-foundation.org,
        oleg@...hat.com, Christian Brauner <christian@...uner.io>
Subject: [PATCH v1 17/20] signal: make wants_signal() return bool

wants_signal() already behaves like a boolean function. Let's actually
declare it as such too.

Signed-off-by: Christian Brauner <christian@...uner.io>
---
v0->v1:
* patch introduced
---
 kernel/signal.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index 0959965b523d..ac5c2700901d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -889,16 +889,20 @@ static bool prepare_signal(int sig, struct task_struct *p, bool force)
  * as soon as they're available, so putting the signal on the shared queue
  * will be equivalent to sending it to one such thread.
  */
-static inline int wants_signal(int sig, struct task_struct *p)
+static inline bool wants_signal(int sig, struct task_struct *p)
 {
 	if (sigismember(&p->blocked, sig))
-		return 0;
+		return false;
+
 	if (p->flags & PF_EXITING)
-		return 0;
+		return false;
+
 	if (sig == SIGKILL)
-		return 1;
+		return true;
+
 	if (task_is_stopped_or_traced(p))
-		return 0;
+		return false;
+
 	return task_curr(p) || !signal_pending(p);
 }
 
-- 
2.17.0

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