linux-kernel - [patch] intel_telemetry_pltdrv: silence an unintialized variable warning

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Message-ID: <20160415144558.GD8953@mwanda>
Date:	Fri, 15 Apr 2016 17:45:58 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Souvik Kumar Chakravarty <souvik.k.chakravarty@...el.com>
Cc:	Darren Hart <dvhart@...radead.org>,
	platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] intel_telemetry_pltdrv: silence an unintialized variable
 warning

Presumably "pss_period" and "ioss_period" can't both be zero, but this
function is never called so we can't infer that using static analysis
alone.

Let's silence the warning by setting "ret" to zero.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/drivers/platform/x86/intel_telemetry_pltdrv.c b/drivers/platform/x86/intel_telemetry_pltdrv.c
index 397119f..781bd10 100644
--- a/drivers/platform/x86/intel_telemetry_pltdrv.c
+++ b/drivers/platform/x86/intel_telemetry_pltdrv.c
@@ -659,7 +659,7 @@ static int telemetry_plt_update_events(struct telemetry_evtconfig pss_evtconfig,
 static int telemetry_plt_set_sampling_period(u8 pss_period, u8 ioss_period)
 {
 	u32 telem_ctrl = 0;
-	int ret;
+	int ret = 0;
 
 	mutex_lock(&(telm_conf->telem_lock));
 	if (ioss_period) {