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Subject[PATCH 4.4 47/60] dm flakey: return -EINVAL on interval bounds error in flakey_ctr()
Date
4.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Wei Yongjun <weiyj.lk@gmail.com>

commit bff7e067ee518f9ed7e1cbc63e4c9e01670d0b71 upstream.

Fix to return error code -EINVAL instead of 0, as is done elsewhere in
this function.

Fixes: e80d1c805a3b ("dm: do not override error code returned from dm_get_device()")
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/md/dm-flakey.c | 2 ++
1 file changed, 2 insertions(+)

--- a/drivers/md/dm-flakey.c
+++ b/drivers/md/dm-flakey.c
@@ -200,11 +200,13 @@ static int flakey_ctr(struct dm_target *

if (!(fc->up_interval + fc->down_interval)) {
ti->error = "Total (up + down) interval is zero";
+ r = -EINVAL;
goto bad;
}

if (fc->up_interval + fc->down_interval < fc->up_interval) {
ti->error = "Interval overflow";
+ r = -EINVAL;
goto bad;
}


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