linux-kernel - Re: [PATCH] staging: dgap: use schedule_timeout_interruptible() instead of dgap_ms

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Date:	Tue, 16 Sep 2014 00:54:52 -0700
From:	Joe Perches <joe@...ches.com>
To:	Dan Carpenter <dan.carpenter@...cle.com>
Cc:	Daeseok Youn <daeseok.youn@...il.com>, lidza.louina@...il.com,
	markh@...pro.net, devel@...verdev.osuosl.org,
	gregkh@...uxfoundation.org, driverdev-devel@...uxdriverproject.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: dgap: use schedule_timeout_interruptible()
 instead of dgap_ms_sleep()

On Tue, 2014-09-16 at 09:31 +0300, Dan Carpenter wrote:
> There is no point in calling signal_pending() if you don't care about
> the return value.

So maybe make it __must_check?
---
 include/linux/sched.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 7d799ea..03273c0 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -2692,7 +2692,7 @@ static inline int restart_syscall(void)
 	return -ERESTARTNOINTR;
 }
 
-static inline int signal_pending(struct task_struct *p)
+static inline int __must_check signal_pending(struct task_struct *p)
 {
 	return unlikely(test_tsk_thread_flag(p,TIF_SIGPENDING));
 }


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