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Code Issues Releases Wiki Activity

iwlwifi: mei: fix potential NULL-ptr deref

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

Coverity CID: 1497650

Cc: stable@vger.kernel.org
Fixes: 2da4366f9e ("iwlwifi: mei: add the driver to allow cooperation with CSME")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20220517120045.90c1b1fd534e.Ibb42463e74d0ec7d36ec81df22e171ae1f6268b0@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2022-05-17 12:05:14 +03:00
parent 55cf10488d
commit 78488a64ae
1 changed files with 2 additions and 0 deletions
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2
drivers/net/wireless/intel/iwlwifi/mei/main.c
View file

@ -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));