Btrfs device id start from 1, not 0.
Signed-off-by: Wang Shilong <wangsl.fnst@xxxxxxxxxxxxxx>
---
utils.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/utils.c b/utils.c
index 560c557..d480353 100644
--- a/utils.c
+++ b/utils.c
@@ -1765,7 +1765,7 @@ int get_fs_info(char *path, struct btrfs_ioctl_fs_info_args *fi_args,
goto out;
}
- for (; i <= fi_args->max_id; ++i) {
+ for (i = 1; i <= fi_args->max_id; ++i) {
BUG_ON(ndevs >= fi_args->num_devices);
ret = get_device_info(fd, i, &di_args[ndevs]);
if (ret == -ENODEV)
--
1.8.2.1
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