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Date:	Thu, 06 Feb 2014 17:28:41 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	LKML <linux-kernel@...r.kernel.org>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	"H. Peter Anvin" <hpa@...ux.intel.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>
Subject: [PATCH] sched/wait: suppress sparse 'variable shadowing' warning

From: Johannes Berg <johannes.berg@...el.com>

This warning seems to show up a lot now, since ___wait_event()
is (indirectly) used inside wait_event_timeout(), which also
has a variable called __ret. Rename the one in ___wait_event()
to ___ret (another leading underscore) to suppress the warning.

Signed-off-by: Johannes Berg <johannes.berg@...el.com>
---
 include/linux/wait.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/wait.h b/include/linux/wait.h
index 559044c..c55ea5c 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -195,7 +195,7 @@ wait_queue_head_t *bit_waitqueue(void *, int);
 ({									\
 	__label__ __out;						\
 	wait_queue_t __wait;						\
-	long __ret = ret;						\
+	long ___ret = ret;						\
 									\
 	INIT_LIST_HEAD(&__wait.task_list);				\
 	if (exclusive)							\
@@ -210,7 +210,7 @@ wait_queue_head_t *bit_waitqueue(void *, int);
 			break;						\
 									\
 		if (___wait_is_interruptible(state) && __int) {		\
-			__ret = __int;					\
+			___ret = __int;					\
 			if (exclusive) {				\
 				abort_exclusive_wait(&wq, &__wait,	\
 						     state, NULL);	\
@@ -222,7 +222,7 @@ wait_queue_head_t *bit_waitqueue(void *, int);
 		cmd;							\
 	}								\
 	finish_wait(&wq, &__wait);					\
-__out:	__ret;								\
+__out:	___ret;								\
 })
 
 #define __wait_event(wq, condition)					\
-- 
1.8.5.3



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