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Date: Sun, 12 Mar 2023 23:21:07 +0300
From: Fedor Pchelkin <pchelkin@...ras.ru>
To: syzbot+df61b36319e045c00a08@...kaller.appspotmail.com
Cc: syzkaller-bugs@...glegroups.com, linux-kernel@...r.kernel.org
#syz test: https://github.com/google/kmsan.git master
--- a/drivers/net/wireless/ath/ath9k/wmi.c
+++ b/drivers/net/wireless/ath/ath9k/wmi.c
@@ -308,8 +308,11 @@ int ath9k_wmi_cmd(struct wmi *wmi, enum wmi_cmd_id cmd_id,
unsigned long time_left;
int ret = 0;
- if (ah->ah_flags & AH_UNPLUGGED)
- return 0;
+ if (ah->ah_flags & AH_UNPLUGGED) {
+ ath_dbg(common, WMI, "Device unplugged for WMI command: %s\n",
+ wmi_cmd_to_name(cmd_id));
+ return -ENODEV;
+ }
skb = alloc_skb(headroom + cmd_len, GFP_ATOMIC);
if (!skb)
--
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