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authorAlasdair G Kergon <agk@redhat.com>2010-08-12 04:13:49 +0100
committerAlasdair G Kergon <agk@redhat.com>2010-08-12 04:13:49 +0100
commit6bbf79a14080a0c61212f53b4b87dc1a99fedf9c (patch)
tree332dea35445605f6e1bacd9330500e9d93057319 /drivers/md/dm-mpath.c
parent5af568cbd55f60b5a1d174f621b273e4f585dc35 (diff)
downloadop-kernel-dev-6bbf79a14080a0c61212f53b4b87dc1a99fedf9c.zip
op-kernel-dev-6bbf79a14080a0c61212f53b4b87dc1a99fedf9c.tar.gz
dm mpath: fix NULL pointer dereference when path parameters missing
multipath_ctr() forgets to return an error after detecting missing path parameters. Fix this. Signed-off-by: Patrick LoPresti <lopresti@gmail.com> Cc: stable@kernel.org Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Diffstat (limited to 'drivers/md/dm-mpath.c')
-rw-r--r--drivers/md/dm-mpath.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 826bce7..da2223a 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -706,6 +706,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
if (as->argc < nr_params) {
ti->error = "not enough path parameters";
+ r = -EINVAL;
goto bad;
}
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