linux-kernel - [PATCH] Staging: wlan-ng: no need for memcpy() since its arguments are already equal

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Date:	Fri, 25 Mar 2016 22:54:48 +0200
From:	Claudiu Beznea <claudiu.beznea@...il.com>
To:	gregkh@...uxfoundation.org
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Claudiu Beznea <claudiu.beznea@...il.com>
Subject: [PATCH] Staging: wlan-ng: no need for memcpy() since its arguments are already equal

This patch removes the memcpy() for two variables which were
previously tested with memcmp(). The result of memcmp() was
zero which means that the previously tested variables were
already equal.

Signed-off-by: Claudiu Beznea <claudiu.beznea@...il.com>
---
 drivers/staging/wlan-ng/p80211conv.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/staging/wlan-ng/p80211conv.c b/drivers/staging/wlan-ng/p80211conv.c
index 0a8f396..5823b90 100644
--- a/drivers/staging/wlan-ng/p80211conv.c
+++ b/drivers/staging/wlan-ng/p80211conv.c
@@ -243,7 +243,6 @@ static void orinoco_spy_gather(wlandevice_t *wlandev, char *mac,
 
 	for (i = 0; i < wlandev->spy_number; i++) {
 		if (!memcmp(wlandev->spy_address[i], mac, ETH_ALEN)) {
-			memcpy(wlandev->spy_address[i], mac, ETH_ALEN);
 			wlandev->spy_stat[i].level = rxmeta->signal;
 			wlandev->spy_stat[i].noise = rxmeta->noise;
 			wlandev->spy_stat[i].qual =
-- 
1.9.1