1 files changed, 3 insertions, 3 deletions
diff --git a/mkfs.c b/mkfs.c
index b33e3688..4b88987c 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -1193,13 +1193,13 @@ static int is_ssd(const char *file)
 		return 0;
 	}
 
-	if (read(fd, &rotational, sizeof(char)) < sizeof(char)) {
+	if (read(fd, &rotational, 1) < 1) {
 		close(fd);
 		return 0;
 	}
 	close(fd);
 
-	return !atoi((const char *)&rotational);
+	return rotational == '0';
 }
 
 static int _cmp_device_by_id(void *priv, struct list_head *a,
@@ -1735,7 +1735,7 @@ int main(int argc, char **argv)
 	}
 
 	mkfs_cfg.label = label;
-	mkfs_cfg.fs_uuid = fs_uuid;
+	memcpy(mkfs_cfg.fs_uuid, fs_uuid, sizeof(mkfs_cfg.fs_uuid));
 	memcpy(mkfs_cfg.blocks, blocks, sizeof(blocks));
 	mkfs_cfg.num_bytes = dev_block_count;
 	mkfs_cfg.nodesize = nodesize;