From 486e6ca6b48d68d7fefc99e15cc1865e2210d893 Mon Sep 17 00:00:00 2001 From: Lorenzo Bianconi Date: Tue, 12 Sep 2023 10:28:00 +0200 Subject: net: ethernet: mtk_wed: check update_wo_rx_stats in mtk_wed_update_rx_stats() 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 Reviewed-by: Simon Horman Link: https://lore.kernel.org/r/b0d233386e059bccb59f18f69afb79a7806e5ded.1694507226.git.lorenzo@kernel.org Signed-off-by: Paolo Abeni --- drivers/net/ethernet/mediatek/mtk_wed_mcu.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net/ethernet/mediatek/mtk_wed_mcu.c') diff --git a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c index 071ed3dea860..72bcdaed12a9 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed_mcu.c +++ b/drivers/net/ethernet/mediatek/mtk_wed_mcu.c @@ -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; -- cgit v1.2.3