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staging: wlan-ng: fix NULL comparison 

Fix NULL equality comparision by changing it with exclamation mark,
as suggested by Documentation/CodingStyle

Signed-off-by: Fu Yong Quah <fuyong@linux.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fu Yong Quah 2016-02-20 10:23:14 +00:00 committed by Greg Kroah-Hartman
parent 5be2f42b50
commit 1e613801ce
1 changed files with 4 additions and 4 deletions
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8
drivers/staging/wlan-ng/p80211netdev.c
View File

@ -328,7 +328,7 @@ static int p80211knetdev_hard_start_xmit(struct sk_buff *skb,
p80211_wep.data = NULL;
if (skb == NULL)
if (!skb)
return NETDEV_TX_OK;
if (wlandev->state != WLAN_DEVICE_OPEN) {
@ -388,7 +388,7 @@ static int p80211knetdev_hard_start_xmit(struct sk_buff *skb,
goto failed;
}
}
if (wlandev->txframe == NULL) {
if (!wlandev->txframe) {
result = 1;
goto failed;
}
@ -736,7 +736,7 @@ int wlan_setup(wlandevice_t *wlandev, struct device *physdev)
/* Allocate and initialize the wiphy struct */
wiphy = wlan_create_wiphy(physdev, wlandev);
if (wiphy == NULL) {
if (!wiphy) {
dev_err(physdev, "Failed to alloc wiphy.\n");
return 1;
}
@ -744,7 +744,7 @@ int wlan_setup(wlandevice_t *wlandev, struct device *physdev)
/* Allocate and initialize the struct device */
netdev = alloc_netdev(sizeof(struct wireless_dev), "wlan%d",
NET_NAME_UNKNOWN, ether_setup);
if (netdev == NULL) {
if (!netdev) {
dev_err(physdev, "Failed to alloc netdev.\n");
wlan_free_wiphy(wiphy);
result = 1;