linux-kernel - [PATCH] nvme: Fix missing error code in nvme_configure

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220215033632.104124-1-jiapeng.chong@linux.alibaba.com>
Date:   Tue, 15 Feb 2022 11:36:32 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     kbusch@...nel.org
Cc:     axboe@...com, hch@....de, sagi@...mberg.me,
        linux-nvme@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
        Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] nvme: Fix missing error code in nvme_configure_directives()

The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'ret'.

Eliminate the follow smatch warning:

drivers/nvme/host/core.c:780 nvme_configure_directives() warn: missing
error code 'ret'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/nvme/host/core.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 79005ea1a33e..53b37f333170 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -777,6 +777,7 @@ static int nvme_configure_directives(struct nvme_ctrl *ctrl)
 	if (ctrl->nssa < BLK_MAX_WRITE_HINTS - 1) {
 		dev_info(ctrl->device, "too few streams (%u) available\n",
 					ctrl->nssa);
+		ret = -EINVAL;
 		goto out_disable_stream;
 	}
 
-- 
2.20.1.7.g153144c