diff options
| author | Volker Rümelin <vr_qemu@t-online.de> | 2019-12-19 21:34:05 +0100 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2020-01-06 08:47:16 +0100 |
| commit | 40ad46d3cc463fab5a23db466f77e37aff23f927 (patch) | |
| tree | 570b69d511a35fd247337824b073386290aaaed0 /audio/audio.c | |
| parent | 7c9eb86e679b3b6992f97bd60440dbd1a9a75929 (diff) | |
audio: fix integer overflow
Tell the compiler to do a 32bit * 32bit -> 64bit multiplication
because period_ticks is a 64bit variable. The overflow occurs
for audio timer periods larger than 4294967us.
Fixes: be1092afa0 "audio: fix audio timer rate conversion bug"
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-id: 8893a235-66a8-8fbe-7d95-862e29da90b1@t-online.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'audio/audio.c')
| -rw-r--r-- | audio/audio.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/audio/audio.c b/audio/audio.c index 56fae55047..abea027fdf 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -1738,7 +1738,7 @@ static AudioState *audio_init(Audiodev *dev, const char *name) if (dev->timer_period <= 0) { s->period_ticks = 1; } else { - s->period_ticks = dev->timer_period * SCALE_US; + s->period_ticks = dev->timer_period * (int64_t)SCALE_US; } e = qemu_add_vm_change_state_handler (audio_vm_change_state_handler, s); |