net: wireless: hostap: hostap_ap.c: Return -ENOMEM instead of -1 for if kmalloc() fails.

When memory allocation using, kmalloc() fails, report appropriate error value.

Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index c6ea995..dd9a18f 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -376,7 +376,7 @@
 
 	entry = kmalloc(sizeof(struct mac_entry), GFP_KERNEL);
 	if (entry == NULL)
-		return -1;
+		return -ENOMEM;
 
 	memcpy(entry->addr, mac, ETH_ALEN);