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block/dirty-bitmap: return int from bdrv_remove_persistent_dirty_bitmap

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It's more comfortable to not deal with local_err.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20190920082543.23444-3-vsementsov@virtuozzo.com
Signed-off-by: John Snow <jsnow@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2019-09-20 11:25:42 +03:00 • committed by John Snow
parent 85cc8a4f6b
commit b56a1e3175
6 changed files with 25 additions and 25 deletions
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18
block/qcow2-bitmap.c
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@ -1404,9 +1404,8 @@ static Qcow2Bitmap *find_bitmap_by_name(Qcow2BitmapList *bm_list,
return NULL;
}
void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs,
const char *name,
Error **errp)
int qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name,
Error **errp)
{
int ret;
BDRVQcow2State *s = bs->opaque;
@ -1416,18 +1415,19 @@ void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs,
if (s->nb_bitmaps == 0) {
/* Absence of the bitmap is not an error: see explanation above
* bdrv_remove_persistent_dirty_bitmap() definition. */
return;
return 0;
}
bm_list = bitmap_list_load(bs, s->bitmap_directory_offset,
s->bitmap_directory_size, errp);
if (bm_list == NULL) {
return;
return -EIO;
}
bm = find_bitmap_by_name(bm_list, name);
if (bm == NULL) {
goto fail;
ret = -EINVAL;
goto out;
}
QSIMPLEQ_REMOVE(bm_list, bm, Qcow2Bitmap, entry);
@ -1435,14 +1435,16 @@ void qcow2_remove_persistent_dirty_bitmap(BlockDriverState *bs,
ret = update_ext_header_and_dir(bs, bm_list);
if (ret < 0) {
error_setg_errno(errp, -ret, "Failed to update bitmap extension");
goto fail;
goto out;
}
free_bitmap_clusters(bs, &bm->table);
fail:
out:
bitmap_free(bm);
bitmap_list_free(bm_list);
return ret;
}
void qcow2_store_persistent_dirty_bitmaps(BlockDriverState *bs, Error **errp)