From: Marc-André Lureau <marcandre.lureau@redhat.com>
Date: Thu, 22 Jun 2017 11:04:16 +0000 (+0200)
Subject: pcspk: use QEMU_ALIGN_DOWN
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=668c2d1f91f467ae718fc3e03cffed25ade8bfce;p=qemu.git

pcspk: use QEMU_ALIGN_DOWN

I used the clang-tidy qemu-round check to generate the fix:
https://github.com/elmarco/clang-tools-extra

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
---

diff --git a/hw/audio/pcspk.c b/hw/audio/pcspk.c
index f643b122bb..0206f7399b 100644
--- a/hw/audio/pcspk.c
+++ b/hw/audio/pcspk.c
@@ -69,7 +69,7 @@ static inline void generate_samples(PCSpkState *s)
         const uint32_t n = ((uint64_t)PIT_FREQ << 32) / m;
 
         /* multiple of wavelength for gapless looping */
-        s->samples = (PCSPK_BUF_LEN * PIT_FREQ / m * m / (PIT_FREQ >> 1) + 1) >> 1;
+        s->samples = (QEMU_ALIGN_DOWN(PCSPK_BUF_LEN * PIT_FREQ, m) / (PIT_FREQ >> 1) + 1) >> 1;
         for (i = 0; i < s->samples; ++i)
             s->sample_buf[i] = (64 & (n * i >> 25)) - 32;
     } else {