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| author |   Alok Tiwari <alok.a.tiwari@oracle.com> | 2025-06-02 03:34:29 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2025-06-04 12:06:13 +0100 |
| commit | 12c331b29c7397ac3b03584e12902990693bc248 (patch) | |
| tree | 03ce3dadb0cb208f04ffad344a35a847ffe65e54 /drivers | |
| parent | Merge branch 'net-airoha-fix-ipv6-hw-acceleration' (diff) | |
| download | wireguard-linux-12c331b29c7397ac3b03584e12902990693bc248.tar.xz wireguard-linux-12c331b29c7397ac3b03584e12902990693bc248.zip | |
gve: add missing NULL check for gve_alloc_pending_packet() in TX DQO
gve_alloc_pending_packet() can return NULL, but gve_tx_add_skb_dqo()
did not check for this case before dereferencing the returned pointer.
Add a missing NULL check to prevent a potential NULL pointer
dereference when allocation fails.
This improves robustness in low-memory scenarios.
Fixes: a57e5de476be ("gve: DQO: Add TX path")
Signed-off-by: Alok Tiwari <alok.a.tiwari@oracle.com>
Reviewed-by: Mina Almasry <almasrymina@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_tx_dqo.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_tx_dqo.c b/drivers/net/ethernet/google/gve/gve_tx_dqo.c index a27f1574a733..9d705d94b065 100644 --- a/drivers/net/ethernet/google/gve/gve_tx_dqo.c +++ b/drivers/net/ethernet/google/gve/gve_tx_dqo.c @@ -764,6 +764,9 @@ static int gve_tx_add_skb_dqo(struct gve_tx_ring *tx, s16 completion_tag; pkt = gve_alloc_pending_packet(tx); + if (!pkt) + return -ENOMEM; + pkt->skb = skb; completion_tag = pkt - tx->dqo.pending_packets; |