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staging: wilc1000: use kernel provided struct cast to extract mac header

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To parse the mac header make use of *struct ieee80211_hdr* instead of
extracting individual fields separately using pointer operation.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Link: https://lore.kernel.org/r/20191122205153.30723-3-adham.abozaeid@microchip.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Ajay Singh 2019-11-22 20:52:04 +00:00 committed by Greg Kroah-Hartman
parent 856be41e44
commit a02a9897cd
1 changed files with 3 additions and 6 deletions
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9
drivers/staging/wilc1000/netdev.c
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@ -96,21 +96,18 @@ void wilc_mac_indicate(struct wilc *wilc)
static struct net_device *get_if_handler(struct wilc *wilc, u8 *mac_header)
{
u8 *bssid, *bssid1;
struct net_device *ndev = NULL;
struct wilc_vif *vif;
bssid = mac_header + 10;
bssid1 = mac_header + 4;
struct ieee80211_hdr *h = (struct ieee80211_hdr *)mac_header;
list_for_each_entry_rcu(vif, &wilc->vif_list, list) {
if (vif->mode == WILC_STATION_MODE)
if (ether_addr_equal_unaligned(bssid, vif->bssid)) {
if (ether_addr_equal_unaligned(h->addr2, vif->bssid)) {
ndev = vif->ndev;
goto out;
}
if (vif->mode == WILC_AP_MODE)
if (ether_addr_equal_unaligned(bssid1, vif->bssid)) {
if (ether_addr_equal_unaligned(h->addr1, vif->bssid)) {
ndev = vif->ndev;
goto out;
}