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authorNir Soffer <nirsof@gmail.com>2019-08-27 21:59:12 +0300
committerMax Reitz <mreitz@redhat.com>2019-09-16 14:48:30 +0200
commit1bbbf32d5fffe334531c315d7bd865fdfb67b6c5 (patch)
treee8f70cc6cd882948f07a8dd568b625ab7bac2e3e /block/qcow2-cluster.c
parentdd25f97c66a75d1508f1d4c6478ed2c95bec428f (diff)
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block: Use QEMU_IS_ALIGNED
Replace instances of: (n & (BDRV_SECTOR_SIZE - 1)) == 0 And: (n & ~BDRV_SECTOR_MASK) == 0 With: QEMU_IS_ALIGNED(n, BDRV_SECTOR_SIZE) Which reveals the intent of the code better, and makes it easier to locate the code checking alignment. Signed-off-by: Nir Soffer <nsoffer@redhat.com> Message-id: 20190827185913.27427-2-nsoffer@redhat.com Reviewed-by: John Snow <jsnow@redhat.com> Signed-off-by: Max Reitz <mreitz@redhat.com>
Diffstat (limited to 'block/qcow2-cluster.c')
-rw-r--r--block/qcow2-cluster.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/block/qcow2-cluster.c b/block/qcow2-cluster.c
index dcacd3c..cb44b6c 100644
--- a/block/qcow2-cluster.c
+++ b/block/qcow2-cluster.c
@@ -471,8 +471,8 @@ static bool coroutine_fn do_perform_cow_encrypt(BlockDriverState *bs,
{
if (bytes && bs->encrypted) {
BDRVQcow2State *s = bs->opaque;
- assert((offset_in_cluster & ~BDRV_SECTOR_MASK) == 0);
- assert((bytes & ~BDRV_SECTOR_MASK) == 0);
+ assert(QEMU_IS_ALIGNED(offset_in_cluster, BDRV_SECTOR_SIZE));
+ assert(QEMU_IS_ALIGNED(bytes, BDRV_SECTOR_SIZE));
assert(s->crypto);
if (qcow2_co_encrypt(bs, cluster_offset,
src_cluster_offset + offset_in_cluster,