diff mbox series

[10/10] iwlwifi: mei: fix potential NULL-ptr deref

Message ID 20220517120045.90c1b1fd534e.Ibb42463e74d0ec7d36ec81df22e171ae1f6268b0@changeid
State New
Headers show
Series iwlwifi: updates intended for v5.18 2022-05-17 | expand

Commit Message

Greenman, Gregory May 17, 2022, 9:05 a.m. UTC 
From: Johannes Berg <johannes.berg@intel.com>

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

Coverity CID: 1497650

Fixes: 2da4366f9e2c ("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>
---
 drivers/net/wireless/intel/iwlwifi/mei/main.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/wireless/intel/iwlwifi/mei/main.c b/drivers/net/wireless/intel/iwlwifi/mei/main.c
index 3d2eb15a9662..357f14626cf4 100644
--- a/drivers/net/wireless/intel/iwlwifi/mei/main.c
+++ b/drivers/net/wireless/intel/iwlwifi/mei/main.c
@@ -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));