linux-kernel - [patch 2/2] staging: ks7010: remove bogus NULL checks

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Message-ID: <20160614111702.GB25457@mwanda>
Date:	Tue, 14 Jun 2016 14:17:02 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Wolfram Sang <wsa+renesas@...g-engineering.com>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch 2/2] staging: ks7010: remove bogus NULL checks

enc->rx_seq[] and enc->key[] are arrays, not pointers and they can't be
NULL.  Let's remove these NULL checks.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/staging/ks7010/ks_wlan_net.c b/drivers/staging/ks7010/ks_wlan_net.c
index 8ef0f11..fc93028 100644
--- a/drivers/staging/ks7010/ks_wlan_net.c
+++ b/drivers/staging/ks7010/ks_wlan_net.c
@@ -1910,11 +1910,8 @@ static int ks_wlan_set_encode_ext(struct net_device *dev,
 			priv->wpa.txkey = index;
 			commit |= SME_WEP_INDEX;
 		} else if (enc->ext_flags & IW_ENCODE_EXT_RX_SEQ_VALID) {
-			if (enc->rx_seq)
-				memcpy(&priv->wpa.key[index].rx_seq[0],
-				       enc->rx_seq, IW_ENCODE_SEQ_MAX_SIZE);
-			else
-				return -EINVAL;
+			memcpy(&priv->wpa.key[index].rx_seq[0],
+			       enc->rx_seq, IW_ENCODE_SEQ_MAX_SIZE);
 		}
 
 		memcpy(&priv->wpa.key[index].addr.sa_data[0],
@@ -1935,7 +1932,7 @@ static int ks_wlan_set_encode_ext(struct net_device *dev,
 				priv->reg.privacy_invoked = 0x01;
 				commit |= SME_WEP_FLAG;
 			}
-			if (enc->key && enc->key_len) {
+			if (enc->key_len) {
 				memcpy(&priv->wpa.key[index].key_val[0],
 				       &enc->key[0], enc->key_len);
 				priv->wpa.key[index].key_len = enc->key_len;
@@ -1947,7 +1944,7 @@ static int ks_wlan_set_encode_ext(struct net_device *dev,
 				priv->reg.privacy_invoked = 0x01;
 				commit |= SME_WEP_FLAG;
 			}
-			if (enc->key && enc->key_len == 32) {
+			if (enc->key_len == 32) {
 				memcpy(&priv->wpa.key[index].key_val[0],
 				       &enc->key[0], enc->key_len - 16);
 				priv->wpa.key[index].key_len =