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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Reto Schneider <code@reto-schneider.ch>,
Kalle Valo <kvalo@codeaurora.org>,
Sasha Levin <sashal@kernel.org>,
linux-wireless@vger.kernel.org, netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 4.14 20/30] rtlwifi: rtl8192cu: Prevent leaking urb
Date: Fri, 21 Aug 2020 12:18:47 -0400 [thread overview]
Message-ID: <20200821161857.348955-20-sashal@kernel.org> (raw)
In-Reply-To: <20200821161857.348955-1-sashal@kernel.org>
From: Reto Schneider <code@reto-schneider.ch>
[ Upstream commit 03128643eb5453a798db5770952c73dc64fcaf00 ]
If usb_submit_urb fails the allocated urb should be unanchored and
released.
Signed-off-by: Reto Schneider <code@reto-schneider.ch>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200622132113.14508-3-code@reto-schneider.ch
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/wireless/realtek/rtlwifi/usb.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c
index 7a050a75bdcbb..4fa4d877f913b 100644
--- a/drivers/net/wireless/realtek/rtlwifi/usb.c
+++ b/drivers/net/wireless/realtek/rtlwifi/usb.c
@@ -739,8 +739,11 @@ static int _rtl_usb_receive(struct ieee80211_hw *hw)
usb_anchor_urb(urb, &rtlusb->rx_submitted);
err = usb_submit_urb(urb, GFP_KERNEL);
- if (err)
+ if (err) {
+ usb_unanchor_urb(urb);
+ usb_free_urb(urb);
goto err_out;
+ }
usb_free_urb(urb);
}
return 0;
--
2.25.1
parent reply other threads:[~2020-08-21 16:48 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <20200821161857.348955-1-sashal@kernel.org>]
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