broadcom: brcmfmac, alloc without null test

[Joe Perches]

There's a missing NULL alloc test here:

It doesn't appear obvious what a proper fix is.

diff -u -p ./drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c /tmp/nothing/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
--- ./drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ /tmp/nothing/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -4308,7 +4308,6 @@ brcmf_pmksa_v3_op(struct brcmf_if *ifp,
 	int ret;
 
 	pmk_op = kzalloc(sizeof(*pmk_op), GFP_KERNEL);
-	pmk_op->version = cpu_to_le16(BRCMF_PMKSA_VER_3);
 
 	if (!pmksa) {
 		/* Flush operation, operate on entire list */