From: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Date: Fri, 23 Jan 2015 11:03:28 +0000 (+0100)
Subject: clk: Remove unneeded NULL checks
X-Git-Tag: v4.0-rc1~16^2~13^2~9
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c440525cb96780c369879e15083c29a479eb0598;p=platform%2Fkernel%2Flinux-exynos.git

clk: Remove unneeded NULL checks

As clk_unprepare_unused_subtree and clk_disable_unused_subtree are
always called with a valid struct clk.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Michael Turquette <mturquette@linaro.org>
---

diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index aa8a9d2..05986e3 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -428,9 +428,6 @@ static void clk_unprepare_unused_subtree(struct clk *clk)
 {
 	struct clk *child;
 
-	if (!clk)
-		return;
-
 	hlist_for_each_entry(child, &clk->children, child_node)
 		clk_unprepare_unused_subtree(child);
 
@@ -454,9 +451,6 @@ static void clk_disable_unused_subtree(struct clk *clk)
 	struct clk *child;
 	unsigned long flags;
 
-	if (!clk)
-		goto out;
-
 	hlist_for_each_entry(child, &clk->children, child_node)
 		clk_disable_unused_subtree(child);
 
@@ -482,9 +476,6 @@ static void clk_disable_unused_subtree(struct clk *clk)
 
 unlock_out:
 	clk_enable_unlock(flags);
-
-out:
-	return;
 }
 
 static bool clk_ignore_unused;