[PATCH 5.10 109/406] wifi: mwifiex: Fix missed return in oob checks failed path

Greg Kroah-Hartman
2023-09-17T19:24:42Z

From: Polaris Pi <pinkperfect2021@gmail.com>

[ Upstream commit 2785851c627f2db05f9271f7f63661b5dbd95c4c ]

Add missed return in mwifiex_uap_queue_bridged_pkt() and
mwifiex_process_rx_packet().

Fixes: 119585281617 ("wifi: mwifiex: Fix OOB and integer underflow when rx packets")
Signed-off-by: Polaris Pi <pinkperfect2021@gmail.com>
Reported-by: Dmitry Antipov <dmantipov@yandex.ru>
Acked-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230810083911.3725248-1-pinkperfect2021@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/marvell/mwifiex/sta_rx.c | 1 +
drivers/net/wireless/marvell/mwifiex/uap_txrx.c | 1 +
2 files changed, 2 insertions(+)

diff --git a/drivers/net/wireless/marvell/mwifiex/sta_rx.c b/drivers/net/wireless/marvell/mwifiex/sta_rx.c
index 685a5b6697046..3c555946cb2cc 100644
--- a/drivers/net/wireless/marvell/mwifiex/sta_rx.c
+++ b/drivers/net/wireless/marvell/mwifiex/sta_rx.c
@@ -104,6 +104,7 @@ int mwifiex_process_rx_packet(struct mwifiex_private *priv,
skb->len, rx_pkt_off);
priv->stats.rx_dropped++;
dev_kfree_skb_any(skb);
+ return -1;
}

if ((!memcmp(&rx_pkt_hdr->rfc1042_hdr, bridge_tunnel_header,
diff --git a/drivers/net/wireless/marvell/mwifiex/uap_txrx.c b/drivers/net/wireless/marvell/mwifiex/uap_txrx.c
index f46afd7f1b6a4..5c5beedd6aa7b 100644
--- a/drivers/net/wireless/marvell/mwifiex/uap_txrx.c
+++ b/drivers/net/wireless/marvell/mwifiex/uap_txrx.c
@@ -122,6 +122,7 @@ static void mwifiex_uap_queue_bridged_pkt(struct mwifiex_private *priv,
skb->len, le16_to_cpu(uap_rx_pd->rx_pkt_offset));
priv->stats.rx_dropped++;
dev_kfree_skb_any(skb);
+ return;
}

if ((!memcmp(&rx_pkt_hdr->rfc1042_hdr, bridge_tunnel_header,
--
2.40.1