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iwlwifi: mei: fix potential NULL-ptr deref

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If SKB allocation fails, continue rather than using the NULL
pointer.

Coverity CID: 1497650

Cc: [email protected]
Fixes: 2da4366f9e ("iwlwifi: mei: add the driver to allow cooperation with CSME")
Signed-off-by: Johannes Berg <[email protected]>
Signed-off-by: Gregory Greenman <[email protected]>
Link: https://lore.kernel.org/r/20220517120045.90c1b1fd534e.Ibb42463e74d0ec7d36ec81df22e171ae1f6268b0@changeid
Signed-off-by: Johannes Berg <[email protected]>
This commit is contained in:
Johannes Berg committed 2022-05-18 12:58:59 +02:00
1 parent 55cf10488d
commit 78488a64ae
1 file changed
+2
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drivers/net/wireless/intel/iwlwifi/mei/main.c
+2
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@@ -1020,6 +1020,8 @@ static void iwl_mei_handle_sap_data(struct mei_cl_device *cldev,
/* We need enough room for the WiFi header + SNAP + IV */
skb = netdev_alloc_skb(netdev, len + QOS_HDR_IV_SNAP_LEN);
if (!skb)
continue;
skb_reserve(skb, QOS_HDR_IV_SNAP_LEN);
ethhdr = skb_push(skb, sizeof(*ethhdr));