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From: Fedor Pchelkin <pchelkin@ispras.ru>
To: syzbot+df61b36319e045c00a08@syzkaller.appspotmail.com
Cc: syzkaller-bugs@googlegroups.com, linux-kernel@vger.kernel.org
Date: Sun, 12 Mar 2023 23:21:07 +0300	[thread overview]
Message-ID: <20230312202027.46brae36wrbypwge@fpc> (raw)

#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)
-- 

             reply	other threads:[~2023-03-12 20:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-12 20:21 Fedor Pchelkin [this message]
2023-03-12 20:41 ` [syzbot] [wireless?] KMSAN: uninit-value in ath9k_hw_init syzbot

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