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@lip6.fr>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 3 insertions, 3 deletions

diff --git a/sound/mips/au1x00.c b/sound/mips/au1x00.c
index d10ef7675268..fbcaa5434fd8 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;