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| author | John Snow <jsnow@redhat.com> | 2017-03-15 17:28:11 -0400 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2017-03-17 12:54:06 +0100 |
| commit | 184dd9c49b522fe729cfe21d119f6db241268a50 (patch) | |
| tree | a648717342901310c510e6971e644ed5af4fe0bf /blockdev.c | |
| parent | c1cef67251d3e6ae275c0898ccf4cbcfe85d4e0b (diff) | |
blockdev: fix bitmap clear undo
Only undo the action if we actually prepared the action.
Signed-off-by: John Snow <jsnow@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'blockdev.c')
| -rw-r--r-- | blockdev.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/blockdev.c b/blockdev.c index f1f49bd3ca..c5b2c2c209 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2047,7 +2047,9 @@ static void block_dirty_bitmap_clear_abort(BlkActionState *common) BlockDirtyBitmapState *state = DO_UPCAST(BlockDirtyBitmapState, common, common); - bdrv_undo_clear_dirty_bitmap(state->bitmap, state->backup); + if (state->backup) { + bdrv_undo_clear_dirty_bitmap(state->bitmap, state->backup); + } } static void block_dirty_bitmap_clear_commit(BlkActionState *common) |