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| author | Wang Shilong <wangsl-fnst@cn.fujitsu.com> | 2013-02-27 19:04:18 +0800 |
|---|---|---|
| committer | David Sterba <dsterba@suse.cz> | 2013-02-27 16:13:20 +0100 |
| commit | e929e2947a52bedc91b674202ebff8a4cc21b794 (patch) | |
| tree | dd26bf2c91b73ab89ea6d70588baa24187ac145d /cmds-qgroup.c | |
| parent | 9f166a337cbadcc98673e5f171aff7cd8b5936f2 (diff) | |
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>
Diffstat (limited to 'cmds-qgroup.c')
| -rw-r--r-- | cmds-qgroup.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/cmds-qgroup.c b/cmds-qgroup.c index 79888c83..275f00fc 100644 --- a/cmds-qgroup.c +++ b/cmds-qgroup.c @@ -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; } |