linux-kernel - [PATCH v1 10/20] signal: make sig_handler

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Date:   Mon, 28 May 2018 23:53:45 +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 v1 10/20] signal: make sig_handler_ignored() return bool

sig_handler_ignored() 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 | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index faef85bb243e..78a9b32785df 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -65,11 +65,11 @@ static void __user *sig_handler(struct task_struct *t, int sig)
 	return t->sighand->action[sig - 1].sa.sa_handler;
 }
 
-static int sig_handler_ignored(void __user *handler, int sig)
+static inline bool sig_handler_ignored(void __user *handler, int sig)
 {
 	/* Is it explicitly or implicitly ignored? */
 	return handler == SIG_IGN ||
-		(handler == SIG_DFL && sig_kernel_ignore(sig));
+	       (handler == SIG_DFL && sig_kernel_ignore(sig));
 }
 
 static int sig_task_ignored(struct task_struct *t, int sig, bool force)
-- 
2.17.0