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
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@ -1600,6 +1600,7 @@ static int target_message(struct file *filp, struct dm_ioctl *param, size_t para
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if (!argc) {
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if (!argc) {
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DMWARN("Empty message received.");
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DMWARN("Empty message received.");
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r = -EINVAL;
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goto out_argv;
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goto out_argv;
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}
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}
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