1 files changed, 4 insertions, 0 deletions

diff --git a/block/partitions/mac.c b/block/partitions/mac.c
index 11f688bd76c5..76d8ba6379a9 100644
--- a/block/partitions/mac.c
+++ b/block/partitions/mac.c
@@ -63,6 +63,10 @@ int mac_partition(struct parsed_partitions *state)
                 put_dev_sector(sect);
                 return 0;
         }
+
+        if (blocks_in_map >= state->limit)
+                blocks_in_map = state->limit - 1;
+
         strlcat(state->pp_buf, " [mac]", PAGE_SIZE);
         for (slot = 1; slot <= blocks_in_map; ++slot) {
                 int pos = slot * secsize;