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audio: fix audio_generic_read 

It seems the function audio_generic_read started as a copy of
function audio_generic_write and some necessary changes were
forgotten. Fix the mixed up source and destination pointers and
rename misnamed variables.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20200123074943.6699-2-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Volker Rümelin 2020-01-23 08:49:36 +01:00 committed by Gerd Hoffmann
parent d3ed099671
commit 4da58faa5b
1 changed files with 5 additions and 5 deletions
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10
audio/audio.c
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@ -1481,12 +1481,12 @@ size_t audio_generic_write(HWVoiceOut *hw, void *buf, size_t size)
size_t audio_generic_read(HWVoiceIn *hw, void *buf, size_t size)
{
size_t dst_size, copy_size;
void *dst = hw->pcm_ops->get_buffer_in(hw, &dst_size);
copy_size = MIN(size, dst_size);
size_t src_size, copy_size;
void *src = hw->pcm_ops->get_buffer_in(hw, &src_size);
copy_size = MIN(size, src_size);
memcpy(dst, buf, copy_size);
hw->pcm_ops->put_buffer_in(hw, buf, copy_size);
memcpy(buf, src, copy_size);
hw->pcm_ops->put_buffer_in(hw, src, copy_size);
return copy_size;
}