From 04a7f9e55e0930b87805f7c97851eea4610e78fc Mon Sep 17 00:00:00 2001
From: Christian Schoenebeck <qemu_oss@crudebyte.com>
Date: Mon, 27 Sep 2021 17:50:36 +0200
Subject: 9pfs: simplify blksize_to_iounit()
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Use QEMU_ALIGN_DOWN() macro to reduce code and to make it
more human readable.

Suggested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Christian Schoenebeck <qemu_oss@crudebyte.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <b84eb324d2ebdcc6f9c442c97b5b4d01eecb4f43.1632758315.git.qemu_oss@crudebyte.com>
---
 hw/9pfs/9p.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'hw')

diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 5c57344..e874899 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -1280,8 +1280,7 @@ static int32_t blksize_to_iounit(const V9fsPDU *pdu, int32_t blksize)
      * as well as less than (client msize - P9_IOHDRSZ)
      */
     if (blksize) {
-        iounit = blksize;
-        iounit *= (s->msize - P9_IOHDRSZ) / blksize;
+        iounit = QEMU_ALIGN_DOWN(s->msize - P9_IOHDRSZ, blksize);
     }
     if (!iounit) {
         iounit = s->msize - P9_IOHDRSZ;
-- 
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