sound: oss/sb_audio: use swap() in sb_audio_close()

Use kernel.h macro definition. Thanks to Julia Lawall for Coccinelle scripting support. Signed-off-by: Fabian Frederick <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
joeyli · Jun 12, 2015 · 7857230 · 7857230
1 parent 1b12e4c
commit 7857230
Showing 1 changed file with 2 additions and 6 deletions.
diff --git a/sound/oss/sb_audio.c b/sound/oss/sb_audio.c
@@ -102,12 +102,8 @@ void sb_audio_close(int dev)
 	if(devc->duplex
 	   && !devc->fullduplex
 	   && (devc->opened & OPEN_READ) && (devc->opened & OPEN_WRITE))
-	{
-		struct dma_buffparms *dmap_temp;
-		dmap_temp = audio_devs[dev]->dmap_out;
-		audio_devs[dev]->dmap_out = audio_devs[dev]->dmap_in;
-		audio_devs[dev]->dmap_in = dmap_temp;
-	}
+		swap(audio_devs[dev]->dmap_out, audio_devs[dev]->dmap_in);
+
 	audio_devs[dev]->dmap_out->dma = devc->dma8;
 	audio_devs[dev]->dmap_in->dma = ( devc->duplex ) ?
 		devc->dma16 : devc->dma8;