diff options
| -rw-r--r-- | hw/audio/es1370.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/audio/es1370.c b/hw/audio/es1370.c index 89c4dab..5f8a83f 100644 --- a/hw/audio/es1370.c +++ b/hw/audio/es1370.c @@ -643,6 +643,9 @@ static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel, int csc_bytes = (csc + 1) << d->shift; int cnt = d->frame_cnt >> 16; int size = d->frame_cnt & 0xffff; + if (size < cnt) { + return; + } int left = ((size - cnt + 1) << 2) + d->leftover; int transferred = 0; int temp = MIN (max, MIN (left, csc_bytes)); @@ -651,7 +654,7 @@ static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel, addr += (cnt << 2) + d->leftover; if (index == ADC_CHANNEL) { - while (temp) { + while (temp > 0) { int acquired, to_copy; to_copy = MIN ((size_t) temp, sizeof (tmpbuf)); @@ -669,7 +672,7 @@ static void es1370_transfer_audio (ES1370State *s, struct chan *d, int loop_sel, else { SWVoiceOut *voice = s->dac_voice[index]; - while (temp) { + while (temp > 0) { int copied, to_copy; to_copy = MIN ((size_t) temp, sizeof (tmpbuf)); |