From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4ACB01F560B; Tue, 26 Aug 2025 11:32:08 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756207928; cv=none; b=fROWR0tT2F11dNIUqo91LE5Oe6KXOg+tB/2/EQl5Se6jufmSJBvObIX6W1PPJd6SbWSQRMaJIrzr4SRmAWxSbCUKx5raXif4FS8osbISD++4fdGs7kOXksgBmaGAMdvmSByFilCrEfVJaceXhsOdw+152nzAhElp/r1TGNe77Ko= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756207928; c=relaxed/simple; bh=uCfVJIaHgNXCSvwSiT9TT+sf7oN124KtB84D2uzVWY4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XTIxrcep9mtkfTC4eRL2W8j17jmk9CCErAgx/MohuDzBHzvMjDl/0WqfIC24Hm9Wsm7fnGM+xJgsD2NnDu2locx7AgsPJYBpCTt/t0VY8VLzYI7XM/EdVCrCl01/dQpZVUdX3TZnzEPWisyNNw6tvEcrJWZceGMoRURg5H5qovI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=rs2k44TC; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="rs2k44TC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DA7F0C113CF; Tue, 26 Aug 2025 11:32:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1756207928; bh=uCfVJIaHgNXCSvwSiT9TT+sf7oN124KtB84D2uzVWY4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rs2k44TCmqZOWAfQn8B0CwdXXB6J+AIVUxHiQJKUx1SiX6qDz1UH2Rw9h9McIjWSb hgU9wvZhDpt+xYueCTvSmYwDcFja5mMHh/k+N+tEX3nZyWT9R3o+qMME9s5nmFLK7D oS747dogIgOKaIEhCD6QqVfseFOP0wZTujvBIPyc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Dan Carpenter , Chris Leech , "Martin K. Petersen" , Sasha Levin Subject: [PATCH 6.16 371/457] scsi: qla4xxx: Prevent a potential error pointer dereference Date: Tue, 26 Aug 2025 13:10:55 +0200 Message-ID: <20250826110946.467853131@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250826110937.289866482@linuxfoundation.org> References: <20250826110937.289866482@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.16-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dan Carpenter [ Upstream commit 9dcf111dd3e7ed5fce82bb108e3a3fc001c07225 ] The qla4xxx_get_ep_fwdb() function is supposed to return NULL on error, but qla4xxx_ep_connect() returns error pointers. Propagating the error pointers will lead to an Oops in the caller, so change the error pointers to NULL. Fixes: 13483730a13b ("[SCSI] qla4xxx: fix flash/ddb support") Signed-off-by: Dan Carpenter Link: https://lore.kernel.org/r/aJwnVKS9tHsw1tEu@stanley.mountain Reviewed-by: Chris Leech Signed-off-by: Martin K. Petersen Signed-off-by: Sasha Levin --- drivers/scsi/qla4xxx/ql4_os.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index a39f1da4ce47..a761c0aa5127 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -6606,6 +6606,8 @@ static struct iscsi_endpoint *qla4xxx_get_ep_fwdb(struct scsi_qla_host *ha, ep = qla4xxx_ep_connect(ha->host, (struct sockaddr *)dst_addr, 0); vfree(dst_addr); + if (IS_ERR(ep)) + return NULL; return ep; } -- 2.50.1