| Message ID | 20191222174132.3701-2-tiny.windzz@gmail.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | [v2,1/2] PM / devfreq: rk3399_dmc: Disable devfreq-event device when fails | expand |
On 12/23/19 2:41 AM, Yangtao Li wrote: > The exynos_bus_profile_init process may fail, but the devfreq event device > remains enabled. Call devfreq_event_disable_edev on the error return path. > > Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> > --- > v2: > -change subject > -rename lable to err_edev > -add return value check > --- > drivers/devfreq/exynos-bus.c | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c > index 7f5917d59072..948e9340f91c 100644 > --- a/drivers/devfreq/exynos-bus.c > +++ b/drivers/devfreq/exynos-bus.c > @@ -335,10 +335,17 @@ static int exynos_bus_profile_init(struct exynos_bus *bus, > ret = exynos_bus_set_event(bus); > if (ret < 0) { > dev_err(dev, "failed to set event to devfreq-event devices\n"); > - return ret; > + goto err_edev; > } > > return 0; > + > +err_edev: > + ret = exynos_bus_disable_edev(bus); > + if (ret < 0) > + dev_warn(dev, "failed to disable the devfreq-event devices\n"); > + > + return ret; > } > > static int exynos_bus_profile_init_passive(struct exynos_bus *bus, > Applied it.
On 12/23/19 9:47 AM, Chanwoo Choi wrote: > On 12/23/19 2:41 AM, Yangtao Li wrote: >> The exynos_bus_profile_init process may fail, but the devfreq event device >> remains enabled. Call devfreq_event_disable_edev on the error return path. >> >> Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> >> --- >> v2: >> -change subject >> -rename lable to err_edev >> -add return value check >> --- >> drivers/devfreq/exynos-bus.c | 9 ++++++++- >> 1 file changed, 8 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c >> index 7f5917d59072..948e9340f91c 100644 >> --- a/drivers/devfreq/exynos-bus.c >> +++ b/drivers/devfreq/exynos-bus.c >> @@ -335,10 +335,17 @@ static int exynos_bus_profile_init(struct exynos_bus *bus, >> ret = exynos_bus_set_event(bus); >> if (ret < 0) { >> dev_err(dev, "failed to set event to devfreq-event devices\n"); >> - return ret; >> + goto err_edev; >> } >> >> return 0; >> + >> +err_edev: >> + ret = exynos_bus_disable_edev(bus); >> + if (ret < 0) >> + dev_warn(dev, "failed to disable the devfreq-event devices\n"); >> + >> + return ret; >> } >> >> static int exynos_bus_profile_init_passive(struct exynos_bus *bus, >> > > Applied it. > I'm sorry. I applied the v3[1] patch instead of this. [1] https://patchwork.kernel.org/patch/11307721/
diff --git a/drivers/devfreq/exynos-bus.c b/drivers/devfreq/exynos-bus.c index 7f5917d59072..948e9340f91c 100644 --- a/drivers/devfreq/exynos-bus.c +++ b/drivers/devfreq/exynos-bus.c @@ -335,10 +335,17 @@ static int exynos_bus_profile_init(struct exynos_bus *bus, ret = exynos_bus_set_event(bus); if (ret < 0) { dev_err(dev, "failed to set event to devfreq-event devices\n"); - return ret; + goto err_edev; } return 0; + +err_edev: + ret = exynos_bus_disable_edev(bus); + if (ret < 0) + dev_warn(dev, "failed to disable the devfreq-event devices\n"); + + return ret; } static int exynos_bus_profile_init_passive(struct exynos_bus *bus,
The exynos_bus_profile_init process may fail, but the devfreq event device remains enabled. Call devfreq_event_disable_edev on the error return path. Signed-off-by: Yangtao Li <tiny.windzz@gmail.com> --- v2: -change subject -rename lable to err_edev -add return value check --- drivers/devfreq/exynos-bus.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-)