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Subject[PATCH] ARM: OMAP1: clock: Use IS_ERR_OR_NULL() to clean code
Date
Use IS_ERR_OR_NULL() to make the code cleaner.

Signed-off-by: Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Signed-off-by: Tang Bin <tangbin@cmss.chinamobile.com>
---
arch/arm/mach-omap1/clock.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/arch/arm/mach-omap1/clock.c b/arch/arm/mach-omap1/clock.c
index bd5be8210..9d4a0ab50 100644
--- a/arch/arm/mach-omap1/clock.c
+++ b/arch/arm/mach-omap1/clock.c
@@ -612,7 +612,7 @@ int clk_enable(struct clk *clk)
unsigned long flags;
int ret;

- if (clk == NULL || IS_ERR(clk))
+ if (IS_ERR_OR_NULL(clk))
return -EINVAL;

spin_lock_irqsave(&clockfw_lock, flags);
@@ -627,7 +627,7 @@ void clk_disable(struct clk *clk)
{
unsigned long flags;

- if (clk == NULL || IS_ERR(clk))
+ if (IS_ERR_OR_NULL(clk))
return;

spin_lock_irqsave(&clockfw_lock, flags);
@@ -650,7 +650,7 @@ unsigned long clk_get_rate(struct clk *clk)
unsigned long flags;
unsigned long ret;

- if (clk == NULL || IS_ERR(clk))
+ if (IS_ERR_OR_NULL(clk))
return 0;

spin_lock_irqsave(&clockfw_lock, flags);
@@ -670,7 +670,7 @@ long clk_round_rate(struct clk *clk, unsigned long rate)
unsigned long flags;
long ret;

- if (clk == NULL || IS_ERR(clk))
+ if (IS_ERR_OR_NULL(clk))
return 0;

spin_lock_irqsave(&clockfw_lock, flags);
@@ -686,7 +686,7 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
unsigned long flags;
int ret = -EINVAL;

- if (clk == NULL || IS_ERR(clk))
+ if (IS_ERR_OR_NULL(clk))
return ret;

spin_lock_irqsave(&clockfw_lock, flags);
@@ -791,7 +791,7 @@ void clk_preinit(struct clk *clk)

int clk_register(struct clk *clk)
{
- if (clk == NULL || IS_ERR(clk))
+ if (IS_ERR_OR_NULL(clk))
return -EINVAL;

/*
@@ -817,7 +817,7 @@ EXPORT_SYMBOL(clk_register);

void clk_unregister(struct clk *clk)
{
- if (clk == NULL || IS_ERR(clk))
+ if (IS_ERR_OR_NULL(clk))
return;

mutex_lock(&clocks_mutex);
--
2.20.1.windows.1


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