diff options
Diffstat (limited to 'drivers/md/dm-pcache/dm_pcache.c')
| -rw-r--r-- | drivers/md/dm-pcache/dm_pcache.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/md/dm-pcache/dm_pcache.c b/drivers/md/dm-pcache/dm_pcache.c index 81c795c0400e..d5cfd162c063 100644 --- a/drivers/md/dm-pcache/dm_pcache.c +++ b/drivers/md/dm-pcache/dm_pcache.c @@ -168,6 +168,10 @@ static int parse_cache_opts(struct dm_pcache *pcache, struct dm_arg_set *as, argc--; if (!strcmp(arg, "cache_mode")) { + if (!argc) { + *error = "Missing value for cache_mode"; + return -EINVAL; + } arg = dm_shift_arg(as); if (!strcmp(arg, "writeback")) { opts->cache_mode = PCACHE_CACHE_MODE_WRITEBACK; @@ -177,6 +181,10 @@ static int parse_cache_opts(struct dm_pcache *pcache, struct dm_arg_set *as, } argc--; } else if (!strcmp(arg, "data_crc")) { + if (!argc) { + *error = "Missing value for data_crc"; + return -EINVAL; + } arg = dm_shift_arg(as); if (!strcmp(arg, "true")) { opts->data_crc = true; |