diff options
| -rw-r--r-- | block/vmdk.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/block/vmdk.c b/block/vmdk.c index 0463d3b36d..d98f304591 100644 --- a/block/vmdk.c +++ b/block/vmdk.c @@ -813,14 +813,15 @@ static int get_whole_cluster(BlockDriverState *bs, static int vmdk_L2update(VmdkExtent *extent, VmdkMetaData *m_data) { + uint32_t offset; + QEMU_BUILD_BUG_ON(sizeof(offset) != sizeof(m_data->offset)); + offset = cpu_to_le32(m_data->offset); /* update L2 table */ if (bdrv_pwrite_sync( extent->file, ((int64_t)m_data->l2_offset * 512) + (m_data->l2_index * sizeof(m_data->offset)), - &(m_data->offset), - sizeof(m_data->offset) - ) < 0) { + &offset, sizeof(offset)) < 0) { return VMDK_ERROR; } /* update backup L2 table */ @@ -830,8 +831,7 @@ static int vmdk_L2update(VmdkExtent *extent, VmdkMetaData *m_data) extent->file, ((int64_t)m_data->l2_offset * 512) + (m_data->l2_index * sizeof(m_data->offset)), - &(m_data->offset), sizeof(m_data->offset) - ) < 0) { + &offset, sizeof(offset)) < 0) { return VMDK_ERROR; } } @@ -848,7 +848,7 @@ static int get_cluster_offset(BlockDriverState *bs, { unsigned int l1_index, l2_offset, l2_index; int min_index, i, j; - uint32_t min_count, *l2_table, tmp = 0; + uint32_t min_count, *l2_table; bool zeroed = false; if (m_data) { @@ -924,8 +924,7 @@ static int get_cluster_offset(BlockDriverState *bs, } *cluster_offset >>= 9; - tmp = cpu_to_le32(*cluster_offset); - l2_table[l2_index] = tmp; + l2_table[l2_index] = cpu_to_le32(*cluster_offset); /* First of all we write grain itself, to avoid race condition * that may to corrupt the image. @@ -938,7 +937,7 @@ static int get_cluster_offset(BlockDriverState *bs, } if (m_data) { - m_data->offset = tmp; + m_data->offset = *cluster_offset; m_data->l1_index = l1_index; m_data->l2_index = l2_index; m_data->l2_offset = l2_offset; |