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Diffstat (limited to 'drivers/md/dm-log.c')
-rw-r--r--drivers/md/dm-log.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-log.c b/drivers/md/dm-log.c
index 3b52bb72bd1..65ebaebf502 100644
--- a/drivers/md/dm-log.c
+++ b/drivers/md/dm-log.c
@@ -369,6 +369,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
unsigned int region_count;
size_t bitset_size, buf_size;
int r;
+ char dummy;
if (argc < 1 || argc > 2) {
DMWARN("wrong number of arguments to dirty region log");
@@ -387,7 +388,7 @@ static int create_log_context(struct dm_dirty_log *log, struct dm_target *ti,
}
}
- if (sscanf(argv[0], "%u", &region_size) != 1 ||
+ if (sscanf(argv[0], "%u%c", &region_size, &dummy) != 1 ||
!_check_region_size(ti, region_size)) {
DMWARN("invalid region size %s", argv[0]);
return -EINVAL;