linux-kernel - [PATCH] staging: csr: remove unneeded call to memset().

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Message-Id: <1354653667-28927-1-git-send-email-tipecaml@gmail.com>
Date:	Tue,  4 Dec 2012 21:41:07 +0100
From:	Cyril Roelandt <tipecaml@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	kernel-janitors@...r.kernel.org, gregkh@...uxfoundation.org,
	devendra.aaru@...il.com, marcos.souza.org@...il.com,
	andriy.shevchenko@...ux.intel.com, devel@...verdev.osuosl.org,
	Cyril Roelandt <tipecaml@...il.com>
Subject: [PATCH] staging: csr: remove unneeded call to memset().

In uf_send_pkt_to_encrypt(), the memory area zeroed by this call to memset() is
overwritten by a call to memcpy() a few instructions later, so it is not needed.

Signed-off-by: Cyril Roelandt <tipecaml@...il.com>
---
 drivers/staging/csr/unifi_sme.c |    1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/csr/unifi_sme.c b/drivers/staging/csr/unifi_sme.c
index 7c6c413..7669037 100644
--- a/drivers/staging/csr/unifi_sme.c
+++ b/drivers/staging/csr/unifi_sme.c
@@ -1196,7 +1196,6 @@ void uf_send_pkt_to_encrypt(struct work_struct *work)
 
         if (pktBulkDataLength > 0) {
 		    pktBulkData = kmalloc(pktBulkDataLength, GFP_KERNEL);
-		    memset(pktBulkData, 0, pktBulkDataLength);
 	    } else {
 		    unifi_error(priv, "uf_send_pkt_to_encrypt() : invalid buffer\n");
 		    return;
-- 
1.7.10.4

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