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authorAurelien Jarno <aurelien@aurel32.net>2011-01-01 21:50:34 +0100
committerKevin Wolf <kwolf@redhat.com>2011-01-24 11:08:50 +0100
commit653df36bbe58e20258610bc74c5940c456b31084 (patch)
treea936f70f12eb0b6b5c1c90a6dedea124b0c98509 /block
parent0bfe006c5380c5f8a485a55ded3329fbbc224396 (diff)
qcow2: fix unaligned access
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 <kwolf@redhat.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Diffstat (limited to 'block')
-rw-r--r--block/qcow2-cluster.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index 6928c6341d..c3ef550f7e 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;