btrfs-progs: cleanup cmd_device_usage, simplify loop checks

1: Remove more_than_one variable, use iterators value instead
2: Remove "out" label, we use break instead.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
[ changelog update ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Zhao Lei 2015-11-09 17:59:38 +08:00 committed by David Sterba
parent f5d6833768
commit 0ca4cd99a5
1 changed files with 4 additions and 6 deletions

View File

@ -487,7 +487,6 @@ static int cmd_device_usage(int argc, char **argv)
{
unsigned unit_mode;
int ret = 0;
int more_than_one = 0;
int i;
unit_mode = get_unit_mode_from_arg(&argc, argv, 1);
@ -499,23 +498,22 @@ static int cmd_device_usage(int argc, char **argv)
int fd;
DIR *dirstream = NULL;
if (more_than_one)
if (i > 1)
printf("\n");
fd = btrfs_open_dir(argv[i], &dirstream, 1);
if (fd < 0) {
ret = 1;
goto out;
break;
}
ret = _cmd_device_usage(fd, argv[i], unit_mode);
close_file_or_dir(fd, dirstream);
if (ret)
goto out;
more_than_one = 1;
break;
}
out:
return !!ret;
}