From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from [140.186.70.92] (port=60380 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1PhTfE-0000mm-7T for qemu-devel@nongnu.org; Mon, 24 Jan 2011 16:09:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1PhTfB-0007Ia-Kg for qemu-devel@nongnu.org; Mon, 24 Jan 2011 16:09:26 -0500 Received: from mx1.redhat.com ([209.132.183.28]:46506) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1PhTfB-0007IE-Dt for qemu-devel@nongnu.org; Mon, 24 Jan 2011 16:09:25 -0500 From: Kevin Wolf Date: Mon, 24 Jan 2011 22:10:30 +0100 Message-Id: <1295903452-18017-2-git-send-email-kwolf@redhat.com> In-Reply-To: <1295903452-18017-1-git-send-email-kwolf@redhat.com> References: <1295903452-18017-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PATCH 01/23] qcow2: fix unaligned access List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: anthony@codemonkey.ws Cc: kwolf@redhat.com, qemu-devel@nongnu.org From: Aurelien Jarno 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 Signed-off-by: Aurelien Jarno Signed-off-by: Kevin Wolf --- 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