linux-kernel - [PATCH] ALSA: emu8000: Use swap macro in snd_emu8000_sample

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Date:   Tue, 17 Jul 2018 10:06:10 -0500
From:   "Gustavo A. R. Silva" <gustavo@...eddedor.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <gustavo@...ededdor.com>
Subject: [PATCH] ALSA: emu8000: Use swap macro in snd_emu8000_sample_new

Make use of the swap macro and remove unnecessary variable *tmp*. This
makes the code easier to read and maintain.

This code was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@...eddedor.com>
---
 sound/isa/sb/emu8000_patch.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sound/isa/sb/emu8000_patch.c b/sound/isa/sb/emu8000_patch.c
index c2e41d2..d45a6b9 100644
--- a/sound/isa/sb/emu8000_patch.c
+++ b/sound/isa/sb/emu8000_patch.c
@@ -165,11 +165,8 @@ snd_emu8000_sample_new(struct snd_emux *rec, struct snd_sf_sample *sp,
 		return 0;
 
 	/* be sure loop points start < end */
-	if (sp->v.loopstart > sp->v.loopend) {
-		int tmp = sp->v.loopstart;
-		sp->v.loopstart = sp->v.loopend;
-		sp->v.loopend = tmp;
-	}
+	if (sp->v.loopstart > sp->v.loopend)
+		swap(sp->v.loopstart, sp->v.loopend);
 
 	/* compute true data size to be loaded */
 	truesize = sp->v.size;
-- 
2.7.4