Btrfs-progs: output the error reason when qgroup_show fails

The original code forgot to output the reason why the commands failed,
fix it.

Signed-off-by: Wang Shilong <wangsl-fnst@cn.fujitsu.com>
master
Wang Shilong 2013-02-27 19:04:18 +08:00 committed by David Sterba
parent 9f166a337c
commit e929e2947a
1 changed files with 4 additions and 1 deletions

View File

@ -298,6 +298,7 @@ static int cmd_qgroup_show(int argc, char **argv)
{
int ret = 0;
int fd;
int e;
char *path = argv[1];
if (check_argc_exact(argc, 2))
@ -310,9 +311,11 @@ static int cmd_qgroup_show(int argc, char **argv)
}
ret = list_qgroups(fd);
e = errno;
close(fd);
if (ret < 0) {
fprintf(stderr, "ERROR: can't list qgroups\n");
fprintf(stderr, "ERROR: can't list qgroups: %s\n",
strerror(e));
return 30;
}