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net: ethernet: mtk_wed: check update_wo_rx_stats in mtk_wed_update_rx_stats()

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Check if update_wo_rx_stats function pointer is properly set in
mtk_wed_update_rx_stats routine before accessing it.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/b0d233386e059bccb59f18f69afb79a7806e5ded.1694507226.git.lorenzo@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Lorenzo Bianconi 2023-09-12 10:28:00 +02:00 committed by Paolo Abeni
parent 5c33c09c89
commit 486e6ca6b4
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ethernet/mediatek/mtk_wed_mcu.c
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@ -68,6 +68,9 @@ mtk_wed_update_rx_stats(struct mtk_wed_device *wed, struct sk_buff *skb)
struct mtk_wed_wo_rx_stats *stats;
int i;
if (!wed->wlan.update_wo_rx_stats)
return;
if (count * sizeof(*stats) > skb->len - sizeof(u32))
return;