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Fixed munmap sizes (SIGSEGV)

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This commit is contained in:
Jaroslav Kysela 2001-12-15 17:22:31 +00:00
parent d1c4f4e8aa
commit 6113d83e08
1 changed files with 2 additions and 2 deletions
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4
src/pcm/pcm_mmap.c
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@ -388,7 +388,7 @@ int snd_pcm_munmap(snd_pcm_t *pcm)
for (c = 0; c < pcm->channels; ++c) { for (c = 0; c < pcm->channels; ++c) {
snd_pcm_channel_info_t *i = &pcm->mmap_channels[c]; snd_pcm_channel_info_t *i = &pcm->mmap_channels[c];
unsigned int c1; unsigned int c1;
size_t size = i->first + i->step * pcm->buffer_size; size_t size = i->first + i->step * (pcm->buffer_size - 1) + pcm->sample_bits;
if (!i->addr) if (!i->addr)
continue; continue;
for (c1 = c + 1; c1 < pcm->channels; ++c1) { for (c1 = c + 1; c1 < pcm->channels; ++c1) {
@ -397,7 +397,7 @@ int snd_pcm_munmap(snd_pcm_t *pcm)
if (i1->addr != i->addr) if (i1->addr != i->addr)
continue; continue;
i1->addr = NULL; i1->addr = NULL;
s = i1->first + i1->step * pcm->buffer_size; s = i1->first + i1->step * (pcm->buffer_size - 1) + pcm->sample_bits;
if (s > size) if (s > size)
size = s; size = s;
} }