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Subject[38/91] dm mpath: fix NULL pointer dereference when path parameters missing
2.6.34-stable review patch.  If anyone has any objections, please let us know.

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

From: Alasdair G Kergon <agk@redhat.com>

commit 6bbf79a14080a0c61212f53b4b87dc1a99fedf9c upstream.

multipath_ctr() forgets to return an error after detecting
missing path parameters. Fix this.

Signed-off-by: Patrick LoPresti <lopresti@gmail.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

---
drivers/md/dm-mpath.c | 1 +
1 file changed, 1 insertion(+)

--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -706,6 +706,7 @@ static struct priority_group *parse_prio

if (as->argc < nr_params) {
ti->error = "not enough path parameters";
+ r = -EINVAL;
goto bad;
}




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