linux-kernel - [PATCH] dlm: remove unused variable in *dlm_lowcomms_get

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Date:	Thu, 18 Oct 2012 22:57:19 +0800
From:	Wei Yongjun <weiyj.lk@...il.com>
To:	ccaulfie@...hat.com, teigland@...hat.com
Cc:	yongjun_wei@...ndmicro.com.cn, cluster-devel@...hat.com,
	linux-kernel@...r.kernel.org
Subject: [PATCH] dlm: remove unused variable in *dlm_lowcomms_get_buffer()

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

The variable users is initialized but never used
otherwise, so remove the unused variable.

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

Signed-off-by: Wei Yongjun <yongjun_wei@...ndmicro.com.cn>
---
 fs/dlm/lowcomms.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 331ea4f..dd87a31 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1385,7 +1385,6 @@ void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc)
 	struct connection *con;
 	struct writequeue_entry *e;
 	int offset = 0;
-	int users = 0;
 
 	con = nodeid2con(nodeid, allocation);
 	if (!con)
@@ -1399,7 +1398,7 @@ void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc)
 	} else {
 		offset = e->end;
 		e->end += len;
-		users = e->users++;
+		e->users++;
 	}
 	spin_unlock(&con->writequeue_lock);
 
@@ -1414,7 +1413,7 @@ void *dlm_lowcomms_get_buffer(int nodeid, int len, gfp_t allocation, char **ppc)
 		spin_lock(&con->writequeue_lock);
 		offset = e->end;
 		e->end += len;
-		users = e->users++;
+		e->users++;
 		list_add_tail(&e->list, &con->writequeue);
 		spin_unlock(&con->writequeue_lock);
 		goto got_one;

--
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