diff options
| author | Ingo Molnar <mingo@kernel.org> | 2023-10-07 11:32:24 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2023-10-07 11:32:24 +0200 |
| commit | 8db30574db25fa20cdcfa03e374edc3f8b8dc301 (patch) | |
| tree | 0b54686593694b68fb0537197eaa4bec7a44985d /drivers/md/dm-ioctl.c | |
| parent | d4d6596b43868a1e05fe5b047e73c3aff96444c6 (diff) | |
| parent | 9e0bc36ab07c550d791bf17feeb479f1dfc42d89 (diff) | |
| download | linux-next-8db30574db25fa20cdcfa03e374edc3f8b8dc301.tar.gz linux-next-8db30574db25fa20cdcfa03e374edc3f8b8dc301.zip | |
Merge branch 'sched/urgent' into sched/core, to pick up fixes and refresh the branch
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/md/dm-ioctl.c')
| -rw-r--r-- | drivers/md/dm-ioctl.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/md/dm-ioctl.c b/drivers/md/dm-ioctl.c index f5ed729a8e0c..21ebb6c39394 100644 --- a/drivers/md/dm-ioctl.c +++ b/drivers/md/dm-ioctl.c @@ -1630,6 +1630,8 @@ static void retrieve_deps(struct dm_table *table, struct dm_dev_internal *dd; struct dm_target_deps *deps; + down_read(&table->devices_lock); + deps = get_result_buffer(param, param_size, &len); /* @@ -1644,7 +1646,7 @@ static void retrieve_deps(struct dm_table *table, needed = struct_size(deps, dev, count); if (len < needed) { param->flags |= DM_BUFFER_FULL_FLAG; - return; + goto out; } /* @@ -1656,6 +1658,9 @@ static void retrieve_deps(struct dm_table *table, deps->dev[count++] = huge_encode_dev(dd->dm_dev->bdev->bd_dev); param->data_size = param->data_start + needed; + +out: + up_read(&table->devices_lock); } static int table_deps(struct file *filp, struct dm_ioctl *param, size_t param_size) |