[U-Boot] [PATCH 1/1] bcm281xx: clock: avoid possible NULL dereference

It does not make sense first to dereference c and then to check if it is NULL.
The problem was indicated by cppcheck.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de --- arch/arm/cpu/armv7/bcm281xx/clk-core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/arm/cpu/armv7/bcm281xx/clk-core.c b/arch/arm/cpu/armv7/bcm281xx/clk-core.c index cdc1264d7c..b061c20648 100644 --- a/arch/arm/cpu/armv7/bcm281xx/clk-core.c +++ b/arch/arm/cpu/armv7/bcm281xx/clk-core.c @@ -479,9 +479,9 @@ unsigned long clk_get_rate(struct clk *c) { unsigned long rate;
- debug("%s: %s\n", __func__, c->name); if (!c || !c->ops || !c->ops->get_rate) return 0; + debug("%s: %s\n", __func__, c->name);
rate = c->ops->get_rate(c); debug("%s: rate = %ld\n", __func__, rate); @@ -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;

On Sun, Jul 30, 2017 at 08:27:16PM +0200, xypron.glpk@gmx.de wrote:
It does not make sense first to dereference c and then to check if it is NULL.
The problem was indicated by cppcheck.
Signed-off-by: Heinrich Schuchardt xypron.glpk@gmx.de
Applied to u-boot/master, thanks!
participants (2)
-
Heinrich Schuchardt
-
Tom Rini