[PATCH] cpufreq: intel_pstate: Fix static checker warning for epp variable

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Fix warning for:
drivers/cpufreq/intel_pstate.c:731 store_energy_performance_preference()
error: uninitialized symbol 'epp'.

This warning is for a case, when energy_performance_preference attribute
matches pre defined strings. In this case the value of raw epp will not
be used to set EPP bits in MSR_HWP_REQUEST. So initializing with any
value is fine.

Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@xxxxxxxxxxxxxxx>
---
This patch is on top of bleed-edge branch at
https://kernel.googlesource.com/pub/scm/linux/kernel/git/rafael/linux-pm

 drivers/cpufreq/intel_pstate.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 44c7b4677675..94cd07678ee3 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -709,7 +709,7 @@ static ssize_t store_energy_performance_preference(
 	struct cpudata *cpu_data = all_cpu_data[policy->cpu];
 	char str_preference[21];
 	bool raw = false;
-	u32 epp;
+	u32 epp = 0;
 	int ret;
 
 	ret = sscanf(buf, "%20s", str_preference);
-- 
2.25.4




[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux