linux-kernel - [PATCH 1/2] ALSA: au1x00: Use resource

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Date:	Wed, 28 May 2014 17:14:06 +0200
From:	Benoit Taine <benoit.taine@...6.fr>
To:	Jaroslav Kysela <perex@...ex.cz>
Cc:	benoit.taine@...6.fr, Takashi Iwai <tiwai@...e.de>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [PATCH 1/2] ALSA: au1x00: Use resource_size instead of computation

This issue was reported by coccicheck using the semantic patch 
at scripts/coccinelle/api/resource_size.cocci

Signed-off-by: Benoit Taine <benoit.taine@...6.fr>
---
Not compile tested, due incompatible architecture.

 sound/mips/au1x00.c |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c
index d10ef76..fbcaa54 100644
--- a/sound/mips/au1x00.c
+++ b/sound/mips/au1x00.c
@@ -648,14 +648,14 @@ static int au1000_ac97_probe(struct platform_device *pdev)
 		goto out;
 
 	err = -EBUSY;
-	au1000->ac97_res_port = request_mem_region(r->start,
-					r->end - r->start + 1, pdev->name);
+	au1000->ac97_res_port = request_mem_region(r->start, resource_size(r),
+						   pdev->name);
 	if (!au1000->ac97_res_port) {
 		snd_printk(KERN_ERR "ALSA AC97: can't grab AC97 port\n");
 		goto out;
 	}
 
-	io = ioremap(r->start, r->end - r->start + 1);
+	io = ioremap(r->start, resource_size(r));
 	if (!io)
 		goto out;
 

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