From: Martin Kaistra Date: Wed, 9 Jul 2025 12:15:22 +0000 (+0200) Subject: wifi: rtl8xxxu: Fix RX skb size for aggregation disabled X-Git-Tag: io_uring-6.17-20250815~128^2~34^2~50^2~11 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=d76a1abcf57734d2bcd4a7ec051617edd4513d7f;p=linux-block.git wifi: rtl8xxxu: Fix RX skb size for aggregation disabled Commit 1e5b3b3fe9e0 ("rtl8xxxu: Adjust RX skb size to include space for phystats") increased the skb size when aggregation is enabled but decreased it for the aggregation disabled case. As a result, if a frame near the maximum size is received, rtl8xxxu_rx_complete() is called with status -EOVERFLOW and then the driver starts to malfunction and no further communication is possible. Restore the skb size in the aggregation disabled case. Fixes: 1e5b3b3fe9e0 ("rtl8xxxu: Adjust RX skb size to include space for phystats") Signed-off-by: Martin Kaistra Reviewed-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/20250709121522.1992366-1-martin.kaistra@linutronix.de --- diff --git a/drivers/net/wireless/realtek/rtl8xxxu/core.c b/drivers/net/wireless/realtek/rtl8xxxu/core.c index 496836f716aa..f6f169d2062d 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/core.c @@ -6618,7 +6618,7 @@ static int rtl8xxxu_submit_rx_urb(struct rtl8xxxu_priv *priv, skb_size = fops->rx_agg_buf_size; skb_size += (rx_desc_sz + sizeof(struct rtl8723au_phy_stats)); } else { - skb_size = IEEE80211_MAX_FRAME_LEN; + skb_size = IEEE80211_MAX_FRAME_LEN + rx_desc_sz; } skb = __netdev_alloc_skb(NULL, skb_size, GFP_KERNEL);