linux-kernel - [PATCH] staging: brcm80211: use kstrdup()

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Date:	Sat, 06 Aug 2011 11:17:20 +0200
From:	Thomas Meyer <thomas@...3r.de>
To:	gregkh@...e.de,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] staging: brcm80211: use kstrdup()

From: Thomas Meyer <thomas@...3r.de>

 Use kstrdup rather than duplicating its implementation

 The semantic patch that makes this output is available
 in scripts/coccinelle/api/kstrdup.cocci.

 More information about semantic patching is available at
 http://coccinelle.lip6.fr/

Signed-off-by: Thomas Meyer <thomas@...3r.de>
---

diff -u -p a/drivers/staging/brcm80211/brcmfmac/dhd_common.c b/drivers/staging/brcm80211/brcmfmac/dhd_common.c
--- a/drivers/staging/brcm80211/brcmfmac/dhd_common.c 2011-07-28 15:32:17.849920483 +0200
+++ b/drivers/staging/brcm80211/brcmfmac/dhd_common.c 2011-08-01 21:13:55.222431768 +0200
@@ -944,7 +944,7 @@ void brcmf_c_pktfilter_offload_set(struc
 	int i = 0;
 	char *arg_save = 0, *arg_org = 0;
 
-	arg_save = kmalloc(strlen(arg) + 1, GFP_ATOMIC);
+	arg_save = kstrdup(arg, GFP_ATOMIC);
 	if (!arg_save) {
 		BRCMF_ERROR(("%s: kmalloc failed\n", __func__));
 		goto fail;
@@ -958,8 +958,6 @@ void brcmf_c_pktfilter_offload_set(struc
 		goto fail;
 	}
 
-	strcpy(arg_save, arg);
-
 	argv[i] = strsep(&arg_save, " ");
 	while (argv[i++])
 		argv[i] = strsep(&arg_save, " ");


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