From nobody Mon Feb 9 18:22:58 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 3492330CDBC; Wed, 21 Jan 2026 01:35:19 +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=1768959326; cv=none; b=Hl7CzZ2jfvlAhmIxdgFC1cHXKCgThFnq6P8xjVrStSdA/RVmLH4twQnt4JmZEt+ZgguA3KBIf8ZcZ+zmuEjRmEZauis8Swcr0ISZyHQ8srnRRTBXsQScoia7tcsVLIwsrtyeCz8MhxU6pwkDmphWyeJTY9OVqcT6N/i7ODTGBss= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768959326; c=relaxed/simple; bh=jA4NaSNSULApJ0julBiq3qY+S+//bwPxAIZfcE3HXZU=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=lUbPiIe18zX9r3xRY9appB7rw5qlTr+yHuxgIUIHqYWt+zJcOs/UQJAnx8ijfPpZ6EDYsyfaxkBjjmcKSmbcZzzGw/If+z1cxnS4Ill+xXkzxw7UVIRl9KI+FVos3BIsHOVpOD/Lj4oW36T/3QPeV7hkWWXJJ0N0JO9th8qfgb0= 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 [36.112.3.108]) by APP-05 (Coremail) with SMTP id zQCowABH2AtNLXBprgPbBQ--.51795S2; Wed, 21 Jan 2026 09:35:09 +0800 (CST) From: Haoxiang Li To: mporter@kernel.crashing.org, alex.bou9@gmail.com, akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Haoxiang Li , stable@vger.kernel.org Subject: [PATCH v2] rapidio: replace rio_free_net() with kfree() in rio_scan_alloc_net() Date: Wed, 21 Jan 2026 09:35:08 +0800 Message-Id: <20260121013508.195836-1-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: zQCowABH2AtNLXBprgPbBQ--.51795S2 X-Coremail-Antispam: 1UD129KBjvdXoW7Jw1UWFW8uw1UWry7ArW3Awb_yoWDCFb_WF 18X3ykArZ8CF40k34q9rsavayF9FW8Jrs7Zry3ta9xtFy3Aw4FqF1vgr45Aw1xWr1kArn3 Aw12gr1kur47CjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb4kFF20E14v26r1j6r4UM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_JFI_Gr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_ Gr1UM28EF7xvwVC2z280aVAFwI0_Jr0_Gr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r 4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0 I7IYx2IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r 4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCY1x0262kKe7AKxVWU AVWUtwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14 v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkG c2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUCVW8JwCI42IY6xIIjxv20xvEc7CjxVAFwI 0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8 JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfUYNVyDU UUU X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiDAUOE2lwF8I5TQABst Content-Type: text/plain; charset="utf-8" When idtab allocation fails, net is not registered with rio_add_net() yet, so kfree(net) is sufficient to release the memory. Set mport->net to NULL to avoid dangling pointer. Fixes: e6b585ca6e81 ("rapidio: move net allocation into core code") Cc: stable@vger.kernel.org Signed-off-by: Haoxiang Li Reviewed-by: Andrew Morton --- Changes in v2: - Set mport->net to NULL. Thanks, Andrew! --- drivers/rapidio/rio-scan.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c index c12941f71e2c..dcd6619a4b02 100644 --- a/drivers/rapidio/rio-scan.c +++ b/drivers/rapidio/rio-scan.c @@ -854,7 +854,8 @@ static struct rio_net *rio_scan_alloc_net(struct rio_mp= ort *mport, =20 if (idtab =3D=3D NULL) { pr_err("RIO: failed to allocate destID table\n"); - rio_free_net(net); + kfree(net); + mport->net =3D NULL; net =3D NULL; } else { net->enum_data =3D idtab; --=20 2.25.1