PATCH v2] PM / OPP: silence an uninitialized variable warning

[Dan Carpenter <dan.carpenter@oracle.com>]

Smatch complains that it's possible we print "rate" in the debug output
when it hasn't been initialized.  It should be zero on that path.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
v2: fix it a different way

diff --git a/drivers/opp/of.c b/drivers/opp/of.c
index 7026e9f484ea..6d15f05bfc28 100644
--- a/drivers/opp/of.c
+++ b/drivers/opp/of.c
@@ -287,7 +287,7 @@ static int _opp_add_static_v2(struct opp_table *opp_table, struct device *dev,
 			      struct device_node *np)
 {
 	struct dev_pm_opp *new_opp;
-	u64 rate;
+	u64 rate = 0;
 	u32 val;
 	int ret;
 	bool rate_not_available = false;