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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

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

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/