Commit 4d7659bf authored Nov 28, 2020 by Qinglang Miao Committed by Mike Snitzer Dec 04, 2020

dm ioctl: fix error return code in target_message



Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 2ca4c92f ("dm ioctl: prevent empty message")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Qinglang Miao <miaoqinglang@huawei.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent e8dc79d1

drivers/md/dm-ioctl.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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;
		}

Admin message