From: Claudiu Beznea <claudiu.beznea@microchip.com>
Date: Mon, 7 Sep 2020 14:46:32 +0000 (+0300)
Subject: clk: check hw and hw->dev before dereference it
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=b04da9fcf78e233e70ea5ace757c0b8b95bb2459;p=u-boot.git

clk: check hw and hw->dev before dereference it

Check hw and hw->dev before dereference it.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index 786f4e887e..319808d433 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -57,6 +57,9 @@ ulong clk_generic_get_rate(struct clk *clk)
 
 const char *clk_hw_get_name(const struct clk *hw)
 {
+	assert(hw);
+	assert(hw->dev);
+
 	return hw->dev->name;
 }