dm ioctl: fix error return code in target_message
[ Upstream commit5.4-rM2-2.2.x-imx-squashed4d7659bfbe
] Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes:2ca4c92f58
("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> Signed-off-by: Sasha Levin <sashal@kernel.org>
parent
d863d76536
commit
675b3ba9cc
|
@ -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;
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in New Issue