octeontx2-af: Use GFP_ATOMIC under spin lock

The function nix_update_mce_list() is called from
nix_update_bcast_mce_list(), and a spin lock is held
here, so we should use GFP_ATOMIC instead.

Fixes: 4b05528 ("octeontx2-af: Update bcast list upon NIXLF alloc/free")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c

@@ -1294,7 +1294,7 @@ static int nix_update_mce_list(struct nix_mce_list *mce_list,
 		return 0;
 
 	/* Add a new one to the list, at the tail */
-	mce = kzalloc(sizeof(*mce), GFP_KERNEL);
+	mce = kzalloc(sizeof(*mce), GFP_ATOMIC);
 	if (!mce)
 		return -ENOMEM;
 	mce->idx = idx;