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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>
This commit is contained in:
Alasdair G Kergon 2010-08-12 04:13:49 +01:00
parent 5af568cbd5
commit 6bbf79a140
1 changed files with 1 additions and 0 deletions
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drivers/md/dm-mpath.c
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@ -706,6 +706,7 @@ static struct priority_group *parse_priority_group(struct arg_set *as,
if (as->argc < nr_params) { if (as->argc < nr_params) {
ti->error = "not enough path parameters"; ti->error = "not enough path parameters";
r = -EINVAL;
goto bad; goto bad;
} }