linux-kernel - [PATCH 1/2] ath10k: Fix an error handling path

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Date:   Sun, 22 Nov 2020 18:03:42 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     kvalo@...eaurora.org, davem@...emloft.net, kuba@...nel.org,
        erik.stromdahl@...il.com
Cc:     ath10k@...ts.infradead.org, linux-wireless@...r.kernel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 1/2] ath10k: Fix an error handling path

If 'ath10k_usb_create()' fails, we should release some resources and report
an error instead of silently continuing.

Fixes: 4db66499df91 ("ath10k: add initial USB support")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/net/wireless/ath/ath10k/usb.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/wireless/ath/ath10k/usb.c b/drivers/net/wireless/ath/ath10k/usb.c
index 05a620ff6fe2..0b47c3a09794 100644
--- a/drivers/net/wireless/ath/ath10k/usb.c
+++ b/drivers/net/wireless/ath/ath10k/usb.c
@@ -997,6 +997,8 @@ static int ath10k_usb_probe(struct usb_interface *interface,
 
 	ar_usb = ath10k_usb_priv(ar);
 	ret = ath10k_usb_create(ar, interface);
+	if (ret)
+		goto err;
 	ar_usb->ar = ar;
 
 	ar->dev_id = product_id;
-- 
2.27.0