btrfs-progs: handler memory allocation failure in add_extent_rec

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/cmds-check.c b/cmds-check.c
index 266451a..e751656 100644 (file)
--- a/cmds-check.c
+++ b/cmds-check.c
@@ -4586,6 +4586,8 @@ static int add_extent_rec(struct cache_tree *extent_cache,
                return ret;
        }
        rec = malloc(sizeof(*rec));
+       if (!rec)
+               return -ENOMEM;
        rec->start = start;
        rec->max_size = max_size;
        rec->nr = max(nr, max_size);