linux-kernel - [PATCH v3 09/17] signal: make sig

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Date:   Sat,  2 Jun 2018 12:36:45 +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 v3 09/17] signal: make sig_ignored() return bool

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

Signed-off-by: Christian Brauner <christian@...uner.io>
---
v2->v3:
* unchanged
v1->v2:
* unchanged
v0->v1:
* patch added
---
 kernel/signal.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index ff2ea82e376b..fed938c2e273 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -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);
 }
-- 
2.17.0