linux-kernel - [PATCH v1 16/20] signal: make flush_sigqueue

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Message-Id: <20180528215355.16119-17-christian@brauner.io>
Date:   Mon, 28 May 2018 23:53:51 +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 16/20] signal: make flush_sigqueue_mask() void

The return value of flush_sigqueue_mask() is never checked anywhere.

Signed-off-by: Christian Brauner <christian@...uner.io>
---
v0->v1:
* patch introduced
---
 kernel/signal.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/kernel/signal.c b/kernel/signal.c
index c382ac346a81..0959965b523d 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -697,14 +697,14 @@ void signal_wake_up_state(struct task_struct *t, unsigned int state)
  *
  * All callers must be holding the siglock.
  */
-static int flush_sigqueue_mask(sigset_t *mask, struct sigpending *s)
+static void flush_sigqueue_mask(sigset_t *mask, struct sigpending *s)
 {
 	struct sigqueue *q, *n;
 	sigset_t m;
 
 	sigandsets(&m, mask, &s->signal);
 	if (sigisemptyset(&m))
-		return 0;
+		return;
 
 	sigandnsets(&s->signal, &s->signal, mask);
 	list_for_each_entry_safe(q, n, &s->list, list) {
@@ -713,7 +713,6 @@ static int flush_sigqueue_mask(sigset_t *mask, struct sigpending *s)
 			__sigqueue_free(q);
 		}
 	}
-	return 1;
 }
 
 static inline int is_si_special(const struct siginfo *info)
-- 
2.17.0