linux-kernel - [PATCH] staging/lustre/libcfs: replaced string duplication code with kstrdup

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Date:	Fri, 12 Jul 2013 10:02:06 +0300
From:	Dragos Foianu <dragos.foianu@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	andreas.dilger@...el.com, tao.peng@....com,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Dragos Foianu <dragos.foianu@...il.com>
Subject: [PATCH] staging/lustre/libcfs: replaced string duplication code with kstrdup

Modified cfs_strdup function to use kstrdup instead of duplicating its
implementation.

Found using Coccinelle.

Signed-off-by: Dragos Foianu <dragos.foianu@...il.com>
---
 drivers/staging/lustre/lustre/libcfs/libcfs_string.c |   13 +------------
 1 file changed, 1 insertion(+), 12 deletions(-)

diff --git a/drivers/staging/lustre/lustre/libcfs/libcfs_string.c b/drivers/staging/lustre/lustre/libcfs/libcfs_string.c
index 9edccc9..4dba304 100644
--- a/drivers/staging/lustre/lustre/libcfs/libcfs_string.c
+++ b/drivers/staging/lustre/lustre/libcfs/libcfs_string.c
@@ -135,18 +135,7 @@ EXPORT_SYMBOL(cfs_str2mask);
 /* Duplicate a string in a platform-independent way */
 char *cfs_strdup(const char *str, u_int32_t flags)
 {
-	size_t lenz; /* length of str + zero byte */
-	char *dup_str;
-
-	lenz = strlen(str) + 1;
-
-	dup_str = kmalloc(lenz, flags);
-	if (dup_str == NULL)
-		return NULL;
-
-	memcpy(dup_str, str, lenz);
-
-	return dup_str;
+	return kstrdup(str, flags);
 }
 EXPORT_SYMBOL(cfs_strdup);
 
-- 
1.7.10.4

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