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[Qemu-devel] [PATCH 2/2] qcow2: fix unaligned access
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH 2/2] qcow2: fix unaligned access |
Date: |
Sat, 1 Jan 2011 21:50:34 +0100 |
cpu_to_be64w() is called with an obviously non-aligned pointer. Use
cpu_to_be64wu() instead. It fixes unaligned accesses errors on IA64
hosts.
Cc: Kevin Wolf <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
block/qcow2-cluster.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 6928c63..c3ef550 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -81,7 +81,7 @@ int qcow2_grow_l1_table(BlockDriverState *bs, int min_size,
bool exact_size)
/* set new table */
BLKDBG_EVENT(bs->file, BLKDBG_L1_GROW_ACTIVATE_TABLE);
cpu_to_be32w((uint32_t*)data, new_l1_size);
- cpu_to_be64w((uint64_t*)(data + 4), new_l1_table_offset);
+ cpu_to_be64wu((uint64_t*)(data + 4), new_l1_table_offset);
ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader, l1_size),
data,sizeof(data));
if (ret < 0) {
goto fail;
--
1.7.2.3