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block/dirty-bitmap: bdrv_merge_dirty_bitmap(): add return value

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That simplifies handling failure in existing code and in further new
usage of bdrv_merge_dirty_bitmap().

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Hanna Reitz <hreitz@redhat.com>
Message-Id: <20220303194349.2304213-3-vsementsov@virtuozzo.com>
Signed-off-by: Hanna Reitz <hreitz@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2022-03-03 20:43:35 +01:00 • committed by Hanna Reitz
parent 051f66caa2
commit 34ffacb7f4
3 changed files with 9 additions and 7 deletions
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5
block/monitor/bitmap-qmp-cmds.c
View file

@ -263,7 +263,6 @@ BdrvDirtyBitmap *block_dirty_bitmap_merge(const char *node, const char *target,
BlockDriverState *bs;
BdrvDirtyBitmap *dst, *src, *anon;
BlockDirtyBitmapMergeSourceList *lst;
Error *local_err = NULL;
GLOBAL_STATE_CODE();
@ -303,9 +302,7 @@ BdrvDirtyBitmap *block_dirty_bitmap_merge(const char *node, const char *target,
abort();
}
bdrv_merge_dirty_bitmap(anon, src, NULL, &local_err);
if (local_err) {
error_propagate(errp, local_err);
if (!bdrv_merge_dirty_bitmap(anon, src, NULL, errp)) {
dst = NULL;
goto out;
}