linux-kernel - [PATCH 03/39] staging/lustre/build: fix 'deadcode' errors

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Message-Id: <1384446782-13741-4-git-send-email-bergwolf@gmail.com>
Date:	Fri, 15 Nov 2013 00:32:26 +0800
From:	Peng Tao <bergwolf@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Sebastien Buisson <sebastien.buisson@...l.net>,
	Peng Tao <bergwolf@...il.com>,
	Andreas Dilger <andreas.dilger@...el.com>
Subject: [PATCH 03/39] staging/lustre/build: fix 'deadcode' errors

From: Sebastien Buisson <sebastien.buisson@...l.net>

Fix 'deadcode' issues found by Coverity version 6.5.1:
Logically dead code (DEADCODE)
Execution cannot reach this statement.

Lustre-change: http://review.whamcloud.com/7167
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3097
Signed-off-by: Sebastien Buisson <sebastien.buisson@...l.net>
Reviewed-by: Dmitry Eremin <dmitry.eremin@...el.com>
Reviewed-by: John L. Hammond <john.hammond@...el.com>
Reviewed-by: Oleg Drokin <oleg.drokin@...el.com>
Signed-off-by: Peng Tao <bergwolf@...il.com>
Signed-off-by: Andreas Dilger <andreas.dilger@...el.com>
---
 .../lustre/lustre/libcfs/linux/linux-curproc.c     |    4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c b/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
index a2ef64c..e0f2f79 100644
--- a/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
+++ b/drivers/staging/lustre/lustre/libcfs/linux/linux-curproc.c
@@ -195,7 +195,7 @@ static int cfs_access_process_vm(struct task_struct *tsk, unsigned long addr,
 int cfs_get_environ(const char *key, char *value, int *val_len)
 {
 	struct mm_struct *mm;
-	char *buffer, *tmp_buf = NULL;
+	char *buffer;
 	int buf_len = PAGE_CACHE_SIZE;
 	int key_len = strlen(key);
 	unsigned long addr;
@@ -286,8 +286,6 @@ int cfs_get_environ(const char *key, char *value, int *val_len)
 out:
 	mmput(mm);
 	kfree((void *)buffer);
-	if (tmp_buf)
-		kfree((void *)tmp_buf);
 	return rc;
 }
 EXPORT_SYMBOL(cfs_get_environ);
-- 
1.7.9.5

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