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vpc: Add missing error handling in alloc_block

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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Kevin Wolf 2011-11-23 11:38:01 +01:00
parent 6ac5f3881f
commit 5bb1cbac4f
1 changed files with 4 additions and 1 deletions
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5
block/vpc.c
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@ -362,8 +362,11 @@ static int64_t alloc_block(BlockDriverState* bs, int64_t sector_num)
// Initialize the block's bitmap
memset(bitmap, 0xff, s->bitmap_size);
bdrv_pwrite_sync(bs->file, s->free_data_block_offset, bitmap,
ret = bdrv_pwrite_sync(bs->file, s->free_data_block_offset, bitmap,
s->bitmap_size);
if (ret < 0) {
return ret;
}
// Write new footer (the old one will be overwritten)
s->free_data_block_offset += s->block_size + s->bitmap_size;