From nobody Mon Feb 9 15:28:48 2026 Received: from cstnet.cn (smtp84.cstnet.cn [159.226.251.84]) (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 14D6C280A5C; Sun, 21 Dec 2025 12:05:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.84 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766318752; cv=none; b=iZ7Bjgw+NVazzDHD+eI4BOGww0YTg/48VPpAtYCGoPRpCegK+/0uDCAvI77CIm3kz0urdjNIF8ZUeeZ/6OkFt88IQjVN4X1Dlc/Nh6rU2c9wkyVnXmGjdNV35p5y4Vg4Yxk2EjoVkdwsbYOMx+ZG+GqroU+yTLYdkQjp4ybSTU0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766318752; c=relaxed/simple; bh=pnKUMZbOh2TxyJ98yzTQBNp4qK/Sp5UYZ8L+8PZu4o4=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=O78wxgngZicQ4jSc4ZehRu6g1lfk7CjZORmleqSTGsEl7t2MK1Olz8K6CrclYPWTsLv93HPwytmjjJA3z0pp8M01rOm5WWMri+ShY6LxH4S9FGx7T6pcJP6VWWVmKSCilvZuzKs7krfwNcyNrPD+NORr6FRssMmsEMePObLLaMY= 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=159.226.251.84 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 [36.112.3.209]) by APP-05 (Coremail) with SMTP id zQCowADXaAyT4kdpZZ1sAQ--.803S2; Sun, 21 Dec 2025 20:05:41 +0800 (CST) From: Haoxiang Li To: mporter@kernel.crashing.org, alex.bou9@gmail.com, akpm@linux-foundation.org, dan.carpenter@linaro.org, linux@treblig.org Cc: linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH] rapidio: fix a resource leak when rio_add_device() fails Date: Sun, 21 Dec 2025 20:05:38 +0800 Message-Id: <20251221120538.947670-1-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: zQCowADXaAyT4kdpZZ1sAQ--.803S2 X-Coremail-Antispam: 1UD129KBjvdXoWrKrWkCw48ZFyrurW3Kr1rZwb_yoW3tFc_Cw 1xur1DXrsYyF18tr15Grn0vFWS9FnIqrZ5Zr4jqFZ3Gry3WF9F9FyUZr4ktr1UZa1fZF97 Xay8Wr4rCr47GjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb48FF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6r1S6rWUM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr 1UM2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xII jxv20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr 1lF7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxkF7I0En4kS14v26r12 6r1DMxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI 0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y 0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxV WUJVW8JwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1l IxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbSfO7UUUU U== X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiDAYDE2lHoUdQagABsp Content-Type: text/plain; charset="utf-8" If rio_add_device() fails, call rio_free_net() to unregister the net device registered by rio_add_net(). Fixes: e8de370188d0 ("rapidio: add mport char device driver") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li --- drivers/rapidio/devices/rio_mport_cdev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rapidio/devices/rio_mport_cdev.c b/drivers/rapidio/dev= ices/rio_mport_cdev.c index 995cfeca972b..4a804b4ad6f7 100644 --- a/drivers/rapidio/devices/rio_mport_cdev.c +++ b/drivers/rapidio/devices/rio_mport_cdev.c @@ -1789,6 +1789,7 @@ static int rio_mport_add_riodev(struct mport_cdev_pri= v *priv, err =3D rio_add_device(rdev); if (err) { put_device(&rdev->dev); + rio_free_net(net); return err; } =20 --=20 2.25.1