diff options
| -rw-r--r-- | util-linux/mkfs_vfat.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/util-linux/mkfs_vfat.c b/util-linux/mkfs_vfat.c index 821371953..d2db78e1d 100644 --- a/util-linux/mkfs_vfat.c +++ b/util-linux/mkfs_vfat.c @@ -267,8 +267,9 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv) // cache device name device_name = argv[0]; - // default volume ID = creation time - volume_id = time(NULL); + // default volume ID: somewhat random (not crypto-strong) + // (mix in pid to avoid same IDs when run in rapid succession) + volume_id = time(NULL) ^ getpid(); // truncate to exactly 11 chars, pad with spaces sprintf(volume_label11, "%-11.11s", arg_volume_label); |