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| author | Fam Zheng <famz@redhat.com> | 2014-04-16 09:34:30 +0800 |
|---|---|---|
| committer | Kevin Wolf <kwolf@redhat.com> | 2014-04-22 11:57:02 +0200 |
| commit | b8afb520e479e693c227aa39c2fb7670743e104f (patch) | |
| tree | 839fbe93b1b9398a61db63acd89b1e68dbe816de /include | |
| parent | 4ab9dab5b9be0381e714d3fbe518689a72459011 (diff) | |
| download | qemu-b8afb520e479e693c227aa39c2fb7670743e104f.zip qemu-b8afb520e479e693c227aa39c2fb7670743e104f.tar.gz qemu-b8afb520e479e693c227aa39c2fb7670743e104f.tar.bz2 | |
block: Handle error of bdrv_getlength in bdrv_create_dirty_bitmap
bdrv_getlength could fail, check the return value before using it.
Return NULL and set errno if it fails. Callers are updated to handle
the error case.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/block/block.h b/include/block/block.h index b3230a2..2b51eec 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -429,7 +429,8 @@ bool bdrv_qiov_is_aligned(BlockDriverState *bs, QEMUIOVector *qiov); struct HBitmapIter; typedef struct BdrvDirtyBitmap BdrvDirtyBitmap; -BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs, int granularity); +BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs, int granularity, + Error **errp); void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap); BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs); int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, int64_t sector); |