Message ID | be5c59f9bc4bac8c968bbd7443d08eaaf8a28ef8.1605896060.git.gustavoars@kernel.org (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
Series | Fix fall-through warnings for Clang | expand |
On Fri, Nov 20, 2020 at 12:36:04PM -0600, Gustavo A. R. Silva wrote: > In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning > by explicitly adding a break statement instead of letting the code fall > through to the next case. > > Link: https://github.com/KSPP/linux/issues/115 > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Acked-by: Guenter Roeck <linux@roeck-us.net> > --- > drivers/hwmon/corsair-cpro.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/hwmon/corsair-cpro.c b/drivers/hwmon/corsair-cpro.c > index 591929ec217a..fa6aa4fc8b52 100644 > --- a/drivers/hwmon/corsair-cpro.c > +++ b/drivers/hwmon/corsair-cpro.c > @@ -310,6 +310,7 @@ static int ccp_write(struct device *dev, enum hwmon_sensor_types type, > default: > break; > } > + break; > default: > break; > } > -- > 2.27.0 >
On Sat, 2020-11-21 at 10:50 -0800, Guenter Roeck wrote: > On Fri, Nov 20, 2020 at 12:36:04PM -0600, Gustavo A. R. Silva wrote: > > In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning > > by explicitly adding a break statement instead of letting the code fall > > through to the next case. > > > > Link: https://github.com/KSPP/linux/issues/115 > > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> > > Acked-by: Guenter Roeck <linux@roeck-us.net> [] > > diff --git a/drivers/hwmon/corsair-cpro.c b/drivers/hwmon/corsair-cpro.c [] > > @@ -310,6 +310,7 @@ static int ccp_write(struct device *dev, enum hwmon_sensor_types type, > > default: > > break; > > } > > + break; The default: break; bit above (but not below as it's a switch on an enum) could also be deleted no? > > default: > > break; > > } --- drivers/hwmon/corsair-cpro.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/drivers/hwmon/corsair-cpro.c b/drivers/hwmon/corsair-cpro.c index 591929ec217a..580173fca0f6 100644 --- a/drivers/hwmon/corsair-cpro.c +++ b/drivers/hwmon/corsair-cpro.c @@ -299,17 +299,14 @@ static int ccp_write(struct device *dev, enum hwmon_sensor_types type, switch (attr) { case hwmon_pwm_input: return set_pwm(ccp, channel, val); - default: - break; } break; case hwmon_fan: switch (attr) { case hwmon_fan_target: return set_target(ccp, channel, val); - default: - break; } + break; default: break; }
On Sat, Nov 21, 2020 at 12:00:30PM -0800, Joe Perches wrote: > On Sat, 2020-11-21 at 10:50 -0800, Guenter Roeck wrote: > > On Fri, Nov 20, 2020 at 12:36:04PM -0600, Gustavo A. R. Silva wrote: > > > In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning > > > by explicitly adding a break statement instead of letting the code fall > > > through to the next case. > > > > > > Link: https://github.com/KSPP/linux/issues/115 > > > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> > > > > Acked-by: Guenter Roeck <linux@roeck-us.net> > [] > > > diff --git a/drivers/hwmon/corsair-cpro.c b/drivers/hwmon/corsair-cpro.c > [] > > > @@ -310,6 +310,7 @@ static int ccp_write(struct device *dev, enum hwmon_sensor_types type, > > > default: > > > break; > > > } > > > + break; > > The > default: > break; > > bit above (but not below as it's a switch on an enum) could also be deleted no? > I prefer to keep it the way it is to indicate that the default case was not forgotten (unless that is against coding style). Guenter > > > default: > > > break; > > > } > > --- > drivers/hwmon/corsair-cpro.c | 5 +---- > 1 file changed, 1 insertion(+), 4 deletions(-) > > diff --git a/drivers/hwmon/corsair-cpro.c b/drivers/hwmon/corsair-cpro.c > index 591929ec217a..580173fca0f6 100644 > --- a/drivers/hwmon/corsair-cpro.c > +++ b/drivers/hwmon/corsair-cpro.c > @@ -299,17 +299,14 @@ static int ccp_write(struct device *dev, enum hwmon_sensor_types type, > switch (attr) { > case hwmon_pwm_input: > return set_pwm(ccp, channel, val); > - default: > - break; > } > break; > case hwmon_fan: > switch (attr) { > case hwmon_fan_target: > return set_target(ccp, channel, val); > - default: > - break; > } > + break; > default: > break; > } > >
On Sat, Nov 21, 2020 at 10:50:10AM -0800, Guenter Roeck wrote: > On Fri, Nov 20, 2020 at 12:36:04PM -0600, Gustavo A. R. Silva wrote: > > In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning > > by explicitly adding a break statement instead of letting the code fall > > through to the next case. > > > > Link: https://github.com/KSPP/linux/issues/115 > > Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> > > Acked-by: Guenter Roeck <linux@roeck-us.net> Thanks, Guenter. -- Gustavo
diff --git a/drivers/hwmon/corsair-cpro.c b/drivers/hwmon/corsair-cpro.c index 591929ec217a..fa6aa4fc8b52 100644 --- a/drivers/hwmon/corsair-cpro.c +++ b/drivers/hwmon/corsair-cpro.c @@ -310,6 +310,7 @@ static int ccp_write(struct device *dev, enum hwmon_sensor_types type, default: break; } + break; default: break; }
In preparation to enable -Wimplicit-fallthrough for Clang, fix a warning by explicitly adding a break statement instead of letting the code fall through to the next case. Link: https://github.com/KSPP/linux/issues/115 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> --- drivers/hwmon/corsair-cpro.c | 1 + 1 file changed, 1 insertion(+)