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| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-09-23 12:35:55 +0300 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-09-23 12:35:55 +0300 |
| commit | 5804c19b80bf625c6a9925317f845e497434d6d3 (patch) | |
| tree | ba4a0bf9cac721e2bf898e3be5ab64773da5a9d2 /drivers/md/dm-ioctl.c | |
| parent | 916e3e5f26abc165437950daff370c0693572ef4 (diff) | |
| parent | 071ef070ca77e6dfe33fd78afa293e83422f0411 (diff) | |
| download | linux-5804c19b80bf625c6a9925317f845e497434d6d3.tar.xz | |
Merge tag 'kvm-riscv-fixes-6.6-1' of https://github.com/kvm-riscv/linux into HEAD
KVM/riscv fixes for 6.6, take #1
- Fix KVM_GET_REG_LIST API for ISA_EXT registers
- Fix reading ISA_EXT register of a missing extension
- Fix ISA_EXT register handling in get-reg-list test
- Fix filtering of AIA registers in get-reg-list test
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) |