net: ethernet: mtk_wed: fix possible NULL pointer dereference in mtk_wed_wo_queue_tx_clean()

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In order to avoid a NULL pointer dereference, check entry->buf pointer before running
skb_free_frag in mtk_wed_wo_queue_tx_clean routine.

Fixes: 799684448e ("net: ethernet: mtk_wed: introduce wed wo support")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/3c1262464d215faa8acebfc08869798c81c96f4a.1702827359.git.lorenzo@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>

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Lorenzo Bianconi 2023-12-17 16:37:40 +01:00 • committed by Paolo Abeni

parent bd7f77dae6

commit 7cb8cd4daa

1 changed files with 3 additions and 0 deletions

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drivers/net/ethernet/mediatek/mtk_wed_wo.c

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