Fix memory leak on error path when clusters bitmap writing fails.

diff --git a/mkfs/cbm.c b/mkfs/cbm.c
index c4a2afd..5d1e63f 100644 (file)
--- a/mkfs/cbm.c
+++ b/mkfs/cbm.c
@@ -62,6 +62,7 @@ static int cbm_write(struct exfat_dev* dev)
                        BMAP_SET(bitmap, i);
        if (exfat_write(dev, bitmap, bitmap_size) < 0)
        {
+               free(bitmap);
                exfat_error("failed to write bitmap of %zu bytes", bitmap_size);
                return 1;
        }