[patch] intel_telemetry_pltdrv: silence an unintialized variable warning

[Dan Carpenter]

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.carpen...@oracle.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) {