linux-kernel - [PATCH] can: at91_can: fix an error handle in at91_can

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20260125120947.1997682-1-lihaoxiang@isrc.iscas.ac.cn>
Date: Sun, 25 Jan 2026 20:09:47 +0800
From: Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
To: mkl@...gutronix.de,
	mailhol@...nel.org,
	alexandre.belloni@...tlin.com,
	nicolas.ferre@...rochip.com,
	claudiu.beznea@...on.dev
Cc: linux-can@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>,
	stable@...r.kernel.org
Subject: [PATCH] can: at91_can: fix an error handle in at91_can_probe()

In at91_can_probe(), if devm_phy_optional_get() fails,
the memory allocated by alloc_candev() should be freed.
Modify the goto label to do so.

Fixes: 3ecc09856afb ("can: at91_can: add CAN transceiver support")
Cc: stable@...r.kernel.org
Signed-off-by: Haoxiang Li <lihaoxiang@...c.iscas.ac.cn>
---
 drivers/net/can/at91_can.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/can/at91_can.c b/drivers/net/can/at91_can.c
index c2a3a4eef5b2..58da323f14d7 100644
--- a/drivers/net/can/at91_can.c
+++ b/drivers/net/can/at91_can.c
@@ -1099,7 +1099,7 @@ static int at91_can_probe(struct platform_device *pdev)
 	if (IS_ERR(transceiver)) {
 		err = PTR_ERR(transceiver);
 		dev_err_probe(&pdev->dev, err, "failed to get phy\n");
-		goto exit_iounmap;
+		goto exit_free;
 	}
 
 	dev->netdev_ops	= &at91_netdev_ops;
-- 
2.25.1