From: Wang Shilong <wangsl-fnst@xxxxxxxxxxxxxx>
If we fail to execute the command:
btrfs qgroup show <mnt>
It will output the follow messages:
ERROR: can't perform the search - Inappropriate ioctl for device
ERROR: can't list qgroups
The error is outputed twice, this is wrong, fix it.
Signed-off-by: Wang Shilong <wangsl-fnst@xxxxxxxxxxxxxx>
---
cmds-qgroup.c | 9 ++-------
1 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/cmds-qgroup.c b/cmds-qgroup.c
index 26f0ab0..79888c8 100644
--- a/cmds-qgroup.c
+++ b/cmds-qgroup.c
@@ -120,7 +120,6 @@ int list_qgroups(int fd)
struct btrfs_ioctl_search_header *sh;
unsigned long off = 0;
unsigned int i;
- int e;
struct btrfs_qgroup_info_item *info;
memset(&args, 0, sizeof(args));
@@ -143,13 +142,9 @@ int list_qgroups(int fd)
while (1) {
ret = ioctl(fd, BTRFS_IOC_TREE_SEARCH, &args);
- e = errno;
- if (ret < 0) {
- fprintf(stderr,
- "ERROR: can't perform the search - %s\n",
- strerror(e));
+ if (ret < 0)
return ret;
- }
+
/* the ioctl returns the number of item it found in nr_items */
if (sk->nr_items == 0)
break;
--
1.7.7.6
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