On Fri, Jun 15, 2018 at 11:53 PM Jan Engelhardt <jengelh@xxxxxxx> wrote: > > When building a C source file with gcc-7 -Wshift-overflow=2, this warning > springs up: > > libkmod.h: warning: result of "1 << 31" requires 33 bits to > represent, but "int" only has 32 bits [-Wshift-overflow=] > > Change the two _KMOD_* identifiers to fit into 32 bits. > --- > libkmod/libkmod.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) Applied, thanks. Lucas De Marchi > > diff --git a/libkmod/libkmod.h b/libkmod/libkmod.h > index f9e33c6..352627e 100644 > --- a/libkmod/libkmod.h > +++ b/libkmod/libkmod.h > @@ -72,7 +72,7 @@ enum kmod_index { > KMOD_INDEX_MODULES_SYMBOL, > KMOD_INDEX_MODULES_BUILTIN, > /* Padding to make sure enum is not mapped to char */ > - _KMOD_INDEX_PAD = (1 << 31), > + _KMOD_INDEX_PAD = 1U << 31, > }; > int kmod_dump_index(struct kmod_ctx *ctx, enum kmod_index type, int fd); > > @@ -211,7 +211,7 @@ enum kmod_module_initstate { > KMOD_MODULE_COMING, > KMOD_MODULE_GOING, > /* Padding to make sure enum is not mapped to char */ > - _KMOD_MODULE_PAD = (1 << 31), > + _KMOD_MODULE_PAD = 1U << 31, > }; > const char *kmod_module_initstate_str(enum kmod_module_initstate state); > int kmod_module_get_initstate(const struct kmod_module *mod); > -- > 2.17.1 > > -- > To unsubscribe from this list: send the line "unsubscribe linux-modules" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Lucas De Marchi -- To unsubscribe from this list: send the line "unsubscribe linux-modules" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html