On Thu, Feb 18 2016 at 10:46 -0700, Rafael J. Wysocki wrote:
On Thu, Feb 18, 2016 at 6:29 PM, Lina Iyer <lina.iyer@xxxxxxxxxx> wrote:
Check for NULL platform callback before calling.
Signed-off-by: Lina Iyer <lina.iyer@xxxxxxxxxx>
---
drivers/base/power/cpu_domains.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/base/power/cpu_domains.c b/drivers/base/power/cpu_domains.c
index 7069411..bcaa474 100644
--- a/drivers/base/power/cpu_domains.c
+++ b/drivers/base/power/cpu_domains.c
@@ -157,16 +157,22 @@ static int cpu_pd_power_on(struct generic_pm_domain *genpd)
{
struct cpu_pm_domain *pd = to_cpu_pd(genpd);
- return pd->ops.power_on();
+ if (pd->ops.power_on)
+ return pd->ops.power_on();
+
+ return 0;
}
I usually write things like that as
return pd->ops.power_on ? pd->ops.power_on() : 0;
That gets the job done in just one line of code instead of 4 and in
one statement instead of 3.
Sure. Thanks. Will roll this in with the next submission.
Thanks,
Lina
--
To unsubscribe from this list: send the line "unsubscribe linux-arm-msm" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html