linux-kernel - [PATCH] CRIS: locking: fix the return value of arch_read

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Message-ID: <CAPgLHd9enojK7tbCxWKyHnzgnSYZUGqAiAgevn6uamrw_3t4Mg@mail.gmail.com>
Date:	Wed, 17 Oct 2012 22:54:27 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	starvik@...s.com, jesper.nilsson@...s.com
Cc:	yongjun_wei@...ndmicro.com.cn, linux-cris-kernel@...s.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH] CRIS: locking: fix the return value of arch_read_trylock()

From: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>

arch_write_trylock() should return 'ret' instead of always
return 1.

dpatch engine is used to auto generate this patch.
(https://github.com/weiyj/dpatch)

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 arch/cris/include/arch-v32/arch/spinlock.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/cris/include/arch-v32/arch/spinlock.h b/arch/cris/include/arch-v32/arch/spinlock.h
index f171a66..f132755 100644
--- a/arch/cris/include/arch-v32/arch/spinlock.h
+++ b/arch/cris/include/arch-v32/arch/spinlock.h
@@ -118,7 +118,7 @@ static  inline int arch_write_trylock(arch_rwlock_t *rw)
 		ret = 1;
 	}
 	arch_spin_unlock(&rw->slock);
-	return 1;
+	return ret;
 }
 
 #define _raw_read_lock_flags(lock, flags) _raw_read_lock(lock)


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