From: Qinglang Miao <miaoqinglang@huawei.com>
To: Alasdair Kergon <agk@redhat.com>,
Mike Snitzer <snitzer@redhat.com>, <dm-devel@redhat.com>
Cc: <linux-kernel@vger.kernel.org>, Qinglang Miao <miaoqinglang@huawei.com>
Subject: [PATCH 1/3] dm ioctl: fix error return code in target_message
Date: Sat, 28 Nov 2020 18:19:59 +0800 [thread overview]
Message-ID: <20201128101959.95277-1-miaoqinglang@huawei.com> (raw)
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Fixes: 2ca4c92f58f9 ("dm ioctl: prevent empty message")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
---
drivers/md/dm-ioctl.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c
index cd0478d44..5e306bba4 100644
--- a/drivers/md/dm-ioctl.c
+++ b/drivers/md/dm-ioctl.c
@@ -1600,6 +1600,7 @@ static int target_message(struct file *filp, struct dm_ioctl *param, size_t para
if (!argc) {
DMWARN("Empty message received.");
+ r = -EINVAL;
goto out_argv;
}
--
2.23.0
reply other threads:[~2020-11-28 22:01 UTC|newest]
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