[Qemu-devel] [PATCH 05/29] block: use QEMU_IS_ALIGNED macro

["Philippe Mathieu-Daudé" <f4bug@amsat.org>]

Applied using the Coccinelle semantic patch scripts/coccinelle/use_osdep.cocci

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 block/io.c          | 4 ++--
 block/qcow2-cache.c | 2 +-
 block/vhdx-log.c    | 2 +-
 block/vvfat.c       | 2 +-
 4 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/block/io.c b/block/io.c
index aece54c015..2db571c310 100644
--- a/block/io.c
+++ b/block/io.c
@@ -1232,7 +1232,7 @@ static int coroutine_fn bdrv_co_do_pwrite_zeroes(BlockDriverState *bs,
     int max_transfer = MIN_NON_ZERO(bs->bl.max_transfer,
                                     MAX_WRITE_ZEROES_BOUNCE_BUFFER);
 
-    assert(alignment % bs->bl.request_alignment == 0);
+    assert(QEMU_IS_ALIGNED(alignment, bs->bl.request_alignment));
     head = offset % alignment;
     tail = (offset + bytes) % alignment;
     max_write_zeroes = QEMU_ALIGN_DOWN(max_write_zeroes, alignment);
@@ -2342,7 +2342,7 @@ int coroutine_fn bdrv_co_pdiscard(BlockDriverState *bs, int64_t offset,
      * unaligned requests (by returning -ENOTSUP), so we must fragment
      * the request accordingly.  */
     align = MAX(bs->bl.pdiscard_alignment, bs->bl.request_alignment);
-    assert(align % bs->bl.request_alignment == 0);
+    assert(QEMU_IS_ALIGNED(align, bs->bl.request_alignment));
     head = offset % align;
     tail = (offset + bytes) % align;
 
diff --git a/block/qcow2-cache.c b/block/qcow2-cache.c
index 1d25147392..a4886c581e 100644
--- a/block/qcow2-cache.c
+++ b/block/qcow2-cache.c
@@ -58,7 +58,7 @@ static inline int qcow2_cache_get_table_idx(BlockDriverState *bs,
     BDRVQcow2State *s = bs->opaque;
     ptrdiff_t table_offset = (uint8_t *) table - (uint8_t *) c->table_array;
     int idx = table_offset / s->cluster_size;
-    assert(idx >= 0 && idx < c->size && table_offset % s->cluster_size == 0);
+    assert(idx >= 0 && idx < c->size && QEMU_IS_ALIGNED(table_offset, s->cluster_size));
     return idx;
 }
 
diff --git a/block/vhdx-log.c b/block/vhdx-log.c
index 01278f3fc9..bdcaa4cc16 100644
--- a/block/vhdx-log.c
+++ b/block/vhdx-log.c
@@ -282,7 +282,7 @@ static bool vhdx_log_desc_is_valid(VHDXLogDescriptor *desc,
     }
 
     if (desc->signature == VHDX_LOG_ZERO_SIGNATURE) {
-        if (desc->zero_length % VHDX_LOG_SECTOR_SIZE == 0) {
+        if (QEMU_IS_ALIGNED(desc->zero_length, VHDX_LOG_SECTOR_SIZE)) {
             /* valid */
             ret = true;
         }
diff --git a/block/vvfat.c b/block/vvfat.c
index 4dae790203..5eb827fbd6 100644
--- a/block/vvfat.c
+++ b/block/vvfat.c
@@ -454,7 +454,7 @@ static direntry_t *create_long_filename(BDRVVVFATState *s, const char *filename)
         entry=array_get(&(s->directory),s->directory.next-1-(i/26));
         if (i >= 2 * length + 2) {
             entry->name[offset] = 0xff;
-        } else if (i % 2 == 0) {
+        } else if (QEMU_IS_ALIGNED(i, 2)) {
             entry->name[offset] = longname[i / 2] & 0xff;
         } else {
             entry->name[offset] = longname[i / 2] >> 8;
-- 
2.13.2