diff options
Diffstat (limited to 'util-linux/losetup.c')
| -rw-r--r-- | util-linux/losetup.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/util-linux/losetup.c b/util-linux/losetup.c index b52d693ec..5dc757074 100644 --- a/util-linux/losetup.c +++ b/util-linux/losetup.c @@ -114,8 +114,14 @@ int losetup_main(int argc UNUSED_PARAM, char **argv) /* contains -f */ if (opt & OPT_f) { char *s; - int n = 0; + int n; + n = get_free_loop(); + if (n == -1) + bb_error_msg_and_die("no free loop devices"); + if (n < 0) /* n == -2: no /dev/loop-control, use legacy method */ + n = 0; + /* or: n >= 0: the number of next free loopdev, just verify it */ do { if (n > MAX_LOOP_NUM) bb_error_msg_and_die("no free loop devices"); |