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[CPUFREQ] remove redundant sprintf from request_module call. 

Since format string handling is part of request_module, there is no
need to construct the module name. As such, drop the redundant sprintf
and heap usage.

Signed-off-by: Kees Cook <kees.cook@canonical.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Kees Cook 2011-05-04 08:38:56 -07:00 committed by Dave Jones
parent 469057d587
commit 1a8e1463a4
1 changed files with 6 additions and 13 deletions
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19
drivers/cpufreq/cpufreq.c
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@ -321,21 +321,14 @@ static int cpufreq_parse_governor(char *str_governor, unsigned int *policy,
t = __find_governor(str_governor);
if (t == NULL) {
char *name = kasprintf(GFP_KERNEL, "cpufreq_%s",
str_governor);
int ret;
if (name) {
int ret;
mutex_unlock(&cpufreq_governor_mutex);
ret = request_module("cpufreq_%s", str_governor);
mutex_lock(&cpufreq_governor_mutex);
mutex_unlock(&cpufreq_governor_mutex);
ret = request_module("%s", name);
mutex_lock(&cpufreq_governor_mutex);
if (ret == 0)
t = __find_governor(str_governor);
}
kfree(name);
if (ret == 0)
t = __find_governor(str_governor);
}
if (t != NULL) {