From nobody Mon Feb 9 14:35:39 2026 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 600458834; Sun, 25 Jan 2026 12:15:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769343349; cv=none; b=bnJMKWnA4ELPkg5SuTpL/C2jWzvRge0U5/a392VaP/4DNlA5uL96Rwk/zdW9TkbG1AA7idzD0xnp/0NTRsfKRar+BRgyGLBpOeW2JOaenpPYIy9zUVny9BoVsu12AQAsZi4gt7Bq3faIW81onQxpB5qxcJyBS+0nu75pLqjqKo8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769343349; c=relaxed/simple; bh=6Mm5+tV/nMuur0bLKcTbkNA0cTam9M2K3LtP1Ujsdnk=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=o0Sc+VzGw6wirEmZ4NPiP+N5V5A4pNEZqdAyhnxnJ6gJKqM1ZU7165gUCr2HlSTeWbIajQILWBgvttecAO2SlDc2+TDjLBng1+I728mpRo8rzlzwnys8KeLbd+4e0RwIRTrElqrhjHQLrLKN/ReaJB6jxXvHTV7rLWNsWxU3E+o= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn; spf=pass smtp.mailfrom=isrc.iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=isrc.iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=isrc.iscas.ac.cn Received: from localhost.localdomain (unknown [36.112.3.223]) by APP-01 (Coremail) with SMTP id qwCowAB3424NCHZp+PIqBg--.53936S2; Sun, 25 Jan 2026 20:09:49 +0800 (CST) From: Haoxiang Li To: mkl@pengutronix.de, mailhol@kernel.org, alexandre.belloni@bootlin.com, nicolas.ferre@microchip.com, claudiu.beznea@tuxon.dev Cc: linux-can@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] can: at91_can: fix an error handle in at91_can_probe() Date: Sun, 25 Jan 2026 20:09:47 +0800 Message-Id: <20260125120947.1997682-1-lihaoxiang@isrc.iscas.ac.cn> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-CM-TRANSID: qwCowAB3424NCHZp+PIqBg--.53936S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Jw18tr15AryfCF15GrWruFg_yoWfWwb_Ka 1IyFZ2vFWUKrn093WrurZIyFyakFyUZF1kWFyqg3yagrW3Aw18XrWFvFn3Wr1DWrs2kr15 Kw12vF18u34S9jkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbVAFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Jr0_Gr 1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0 cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8Jw ACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka 0xkIwI1lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7 v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF 1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIx AIcVC0I7IYx2IY6xkF7I0E14v26r1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI 42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxh VjvjDU0xZFpf9x0JUd-B_UUUUU= X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiDAcRE2l038QMtAABs2 Content-Type: text/plain; charset="utf-8" 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@vger.kernel.org Signed-off-by: Haoxiang Li --- 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 *pde= v) if (IS_ERR(transceiver)) { err =3D PTR_ERR(transceiver); dev_err_probe(&pdev->dev, err, "failed to get phy\n"); - goto exit_iounmap; + goto exit_free; } =20 dev->netdev_ops =3D &at91_netdev_ops; --=20 2.25.1