cpufreq: Fix unsigned variable being checked for negative value

clk_round_rate() returns singed value which was assigned to an unsigned variable. So it can't be checked for negative. Signed-off-by: Jonghwan Choi <[email protected]> Acked-by: Shawn Guo <[email protected]> Acked-by: Viresh Kumar <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
makiko-fly · Mar 31, 2013 · 5df6055 · 5df6055
1 parent 27ed3cd
commit 5df6055
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/drivers/cpufreq/cpufreq-cpu0.c b/drivers/cpufreq/cpufreq-cpu0.c
@@ -44,7 +44,8 @@ static int cpu0_set_target(struct cpufreq_policy *policy,
 {
 	struct cpufreq_freqs freqs;
 	struct opp *opp;
-	unsigned long freq_Hz, volt = 0, volt_old = 0, tol = 0;
+	unsigned long volt = 0, volt_old = 0, tol = 0;
+	long freq_Hz;
 	unsigned int index, cpu;
 	int ret;