From nobody Mon Feb 9 13:03:55 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 D98152701CF; Sun, 25 Jan 2026 16:12:08 +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=1769357534; cv=none; b=RnxnLVmGnPEOQJ4TmOGxlyW+XvZBak7pbxY/xWkoSufZ245qA2qGj5e4Y8cfLIXX8btC49hWtx9aBAlefTYKo2zozS6ayxnOm5tTEd4lWW6+qaMUXYCOsnsQLnE+5TJh+xkcDJ82/jaWkctB/5UfHEcrU/EGZugKN0pEFzSjyQU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769357534; c=relaxed/simple; bh=h8iQDJ4naQ8Mp4cUa8Pth+gQcxS248SX1gtYD2G2Ztc=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=cZUuLA99l+/J3o2rZIGzmJ3wkDwLdXk+w+Yt6t+ogblhddmloWvt8lNUJINxmGYOvZu4p15ysp3xBnzr89DKBxtZKQNlvkQoyg8fnh6v53yYx/jqcjhYDJw9+a0435i77srH2jBoISTI7fWMTM4VSwOwNNdH81c1QlDcCguptZA= 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 qwCowAB3427SQHZp9kYxBg--.54709S2; Mon, 26 Jan 2026 00:12:03 +0800 (CST) From: Haoxiang Li To: sathya.prakash@broadcom.com, sreekanth.reddy@broadcom.com, suganath-prabu.subramani@broadcom.com, James.Bottomley@HansenPartnership.com, martin.petersen@oracle.com Cc: MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Haoxiang Li Subject: [PATCH] scsi: mpt3sas: fix a potential memory leak in scsih_pci_slot_reset() Date: Mon, 26 Jan 2026 00:12:01 +0800 Message-Id: <20260125161201.2156109-1-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: qwCowAB3427SQHZp9kYxBg--.54709S2 X-Coremail-Antispam: 1UD129KBjvdXoW7GryUZry3XF4Dtw47uw13CFg_yoWfGwcEgw 42gr97Aw10krs2yay8A347uryavFykZw1kurs0vay5Ar17ZF4Dtrs7Z3Z5Jr4UX3yIya4U Gw15Z3s3CryUJjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbckFF20E14v26r4j6ryUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8w A2z4x0Y4vE2Ix0cI8IcVAFwI0_Jr0_JF4l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Jr0_ Gr1l84ACjcxK6I8E87Iv67AKxVWUJVW8JwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Jr0_Gr 1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0 cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8Jw ACjcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lc7CjxVAaw2AFwI0_Jw0_ GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxV WUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI 7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r 1j6r4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI 42IY6I8E87Iv6xkF7I0E14v26r1j6r4UYxBIdaVFxhVjvjDU0xZFpf9x0JUd-B_UUUUU= X-CM-SenderInfo: 5olkt0x0ld0ww6lv2u4olvutnvoduhdfq/1tbiCRASE2l2MSIRZAAAsh Content-Type: text/plain; charset="utf-8" In scsih_pci_slot_reset(), if mpt3sas_base_hard_reset_handler() fails, call mpt3sas_base_unmap_resources() to release the memory allocated by mpt3sas_base_map_resources(). Signed-off-by: Haoxiang Li --- drivers/scsi/mpt3sas/mpt3sas_scsih.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mp= t3sas_scsih.c index 7092d0debef3..7a884a278163 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -12529,8 +12529,9 @@ scsih_pci_slot_reset(struct pci_dev *pdev) =20 if (!rc) return PCI_ERS_RESULT_RECOVERED; - else - return PCI_ERS_RESULT_DISCONNECT; + + mpt3sas_base_unmap_resources(ioc); + return PCI_ERS_RESULT_DISCONNECT; } =20 /** --=20 2.25.1