diff mbox

[U-Boot,1/1] arm: bcm235xx: clk_set_rate avoid possible NULL deref

Message ID 20170730182247.8713-1-xypron.glpk@gmx.de
State Accepted
Commit 65e8ce29e4efc7f1716828ec845bd294a942e1ca
Delegated to: Tom Rini
Headers show

Commit Message

Heinrich Schuchardt July 30, 2017, 6:22 p.m. UTC
It does not make sense first to dereference c and then
to check if it is NULL.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
 arch/arm/cpu/armv7/bcm235xx/clk-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Tom Rini Aug. 14, 2017, 12:07 a.m. UTC | #1
On Sun, Jul 30, 2017 at 08:22:47PM +0200, xypron.glpk@gmx.de wrote:

> It does not make sense first to dereference c and then
> to check if it is NULL.
> 
> Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>

Applied to u-boot/master, thanks!
diff mbox

Patch

diff --git a/arch/arm/cpu/armv7/bcm235xx/clk-core.c b/arch/arm/cpu/armv7/bcm235xx/clk-core.c
index ee4b34574a..89e367be82 100644
--- a/arch/arm/cpu/armv7/bcm235xx/clk-core.c
+++ b/arch/arm/cpu/armv7/bcm235xx/clk-core.c
@@ -493,9 +493,9 @@  int clk_set_rate(struct clk *c, unsigned long rate)
 {
 	int ret;
 
-	debug("%s: %s rate=%ld\n", __func__, c->name, rate);
 	if (!c || !c->ops || !c->ops->set_rate)
 		return -EINVAL;
+	debug("%s: %s rate=%ld\n", __func__, c->name, rate);
 
 	if (c->use_cnt)
 		return -EINVAL;