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[CPUFREQ] sc520_freq.c: ioremap balanced with iounmap 

ioremap must be balanced by an iounmap and failing to do so can result
in a memory leak.

Tested (compilation only):
- using allmodconfig
- making sure the files are compiling without any warning/error due to
new changes

Signed-off-by: Amol Lad <amol@verismonetworks.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Amol Lad 2006-10-17 10:02:55 +05:30 committed by Dave Jones
parent dfde5d62ed
commit 3e74341c7b
1 changed files with 6 additions and 1 deletions
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7
arch/i386/kernel/cpu/cpufreq/sc520_freq.c
View File

@ -153,6 +153,7 @@ static struct cpufreq_driver sc520_freq_driver = {
static int __init sc520_freq_init(void)
{
struct cpuinfo_x86 *c = cpu_data;
int err;
/* Test if we have the right hardware */
if(c->x86_vendor != X86_VENDOR_AMD ||
@ -166,7 +167,11 @@ static int __init sc520_freq_init(void)
return -ENOMEM;
}
return cpufreq_register_driver(&sc520_freq_driver);
err = cpufreq_register_driver(&sc520_freq_driver);
if (err)
iounmap(cpuctl);
return err;
}