diff options
| -rw-r--r-- | drivers/md/dm-raid.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index 07c0fa0fa284..41acc9dd7342 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -1243,7 +1243,7 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv) argv++; /* Skip over RAID params for now and find out # of devices */ - if (num_raid_params + 1 > argc) { + if (num_raid_params >= argc) { ti->error = "Arguments do not agree with counts given"; return -EINVAL; } @@ -1254,6 +1254,12 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv) return -EINVAL; } + argc -= num_raid_params + 1; /* +1: we already have num_raid_devs */ + if (argc != (num_raid_devs * 2)) { + ti->error = "Supplied RAID devices does not match the count given"; + return -EINVAL; + } + rs = context_alloc(ti, rt, (unsigned)num_raid_devs); if (IS_ERR(rs)) return PTR_ERR(rs); @@ -1262,16 +1268,8 @@ static int raid_ctr(struct dm_target *ti, unsigned argc, char **argv) if (ret) goto bad; - ret = -EINVAL; - - argc -= num_raid_params + 1; /* +1: we already have num_raid_devs */ argv += num_raid_params + 1; - if (argc != (num_raid_devs * 2)) { - ti->error = "Supplied RAID devices does not match the count given"; - goto bad; - } - ret = dev_parms(rs, argv); if (ret) goto bad; |