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>

diff --git a/audio/audio.c b/audio/audio.c
index 7226aa64ff93341ebdedea00beffe92c248d4b11..9cd76a331d7a49316dec2f4d9eb35227d251ab8d 100644 (file)
--- a/audio/audio.c
+++ b/audio/audio.c
@@ -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;
 }