Messages in this thread | | | Subject | Re: [PATCH] hwmon: (tmp401) Fix clang -Wimplicit-fallthrough in tmp401_is_visible() | From | Guenter Roeck <> | Date | Tue, 16 Nov 2021 08:33:52 -0800 |
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On 11/16/21 7:44 AM, Nathan Chancellor wrote: > Clang warns: > > drivers/hwmon/tmp401.c:526:2: error: unannotated fall-through between switch labels [-Werror,-Wimplicit-fallthrough] > default: > ^ > drivers/hwmon/tmp401.c:526:2: note: insert 'break;' to avoid fall-through > default: > ^ > break; > 1 error generated. > > Clang is a little more pedantic than GCC, which does not warn when > falling through to a case that is just break or return. Clang's version > is more in line with the kernel's own stance in deprecated.rst, which > states that all switch/case blocks must end in either break, > fallthrough, continue, goto, or return. Add the missing break to silence > the warning. > > Link: https://github.com/ClangBuiltLinux/linux/issues/1505 > Signed-off-by: Nathan Chancellor <nathan@kernel.org> > --- > > Feel free to squash this into the offending commit.
Done, thanks a lot for the feedback.
Guenter
> > drivers/hwmon/tmp401.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c > index f7b6a2c4fbcf..b86d9df7105d 100644 > --- a/drivers/hwmon/tmp401.c > +++ b/drivers/hwmon/tmp401.c > @@ -523,6 +523,7 @@ static umode_t tmp401_is_visible(const void *data, enum hwmon_sensor_types type, > default: > break; > } > + break; > default: > break; > } > > base-commit: 82b520da9134a594eb9816759ed66ba6ef44888e >
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