-----Original Message-----
From: Pkshih <pkshih@realtek.com>
Sent: Friday, December 24, 2021 5:01 PM
To: Muhammad Usama Anjum <redacted>; Yan-Hsuan Chuang <redacted>; Kalle
Valo [off-list ref]; David S. Miller [off-list ref]; Jakub Kicinski [off-list ref]; Bernie
Huang [off-list ref]; open list:REALTEK WIRELESS DRIVER (rtw88) [off-list ref];
open list:NETWORKING DRIVERS [off-list ref]; open list [off-list ref]
Cc: kernel@collabora.com
Subject: RE: [PATCH v3] rtw88: check for validity before using a pointer

quoted

-----Original Message-----
From: Muhammad Usama Anjum <redacted>
Sent: Friday, December 24, 2021 4:55 PM
To: Yan-Hsuan Chuang <redacted>; Kalle Valo <kvalo@kernel.org>; David S. Miller
[off-list ref]; Jakub Kicinski [off-list ref]; Pkshih [off-list ref]; Bernie Huang
[off-list ref]; open list:REALTEK WIRELESS DRIVER (rtw88) [off-list ref]; open
list:NETWORKING DRIVERS [off-list ref]; open list [off-list ref]
Cc: usama.anjum@collabora.com; kernel@collabora.com
Subject: [PATCH v3] rtw88: check for validity before using a pointer

ieee80211_probereq_get() can return NULL. Pointer skb should be checked
for validty before use. If it is not valid, list of skbs needs to be
freed.

Fixes: 10d162b2ed39 ("rtw88: 8822c: add ieee80211_ops::hw_scan")
Signed-off-by: Muhammad Usama Anjum <redacted>

Acked-by: Ping-Ke Shih <pkshih@realtek.com>

[...]

I take this patch into my patchset [1], because my new patches are based this patch
related to fixes of hw_scan.

[1] https://lore.kernel.org/linux-wireless/20220121070813.9656-2-pkshih@realtek.com/T/#u (local)

--
Ping-Ke