search for: kcfi

From: Arnd Bergmann <arnd at arndb.de> Calling a function through an incompatible pointer type causes breaks kcfi, so clang warns about the assignment: drivers/gpu/drm/nouveau/nvkm/subdev/bios/shadowof.c:73:10: error: cast from 'void (*)(const void *)' to 'void (*)(void *)' converts to incompatible function type [-Werror,-Wcast-function-type-strict] 73 | .fini = (void(*)(void *))kfr...

On Tue, 2024-03-26 at 15:51 +0100, Arnd Bergmann wrote: > Calling a function through an incompatible pointer type causes breaks > kcfi, so clang warns about the assignment: > ... > +static void of_fini(void *p) > +{ > +???????return kfree(p); > +} > + I don't know anything about kfci, but shouldn't this just be "kfree(p)", without the "return"?

From: Arnd Bergmann <arnd at arndb.de> This is a follow-up on a couple of patch series I sent in the past, enabling -Wextra (aside from stuff that is explicitly disabled), -Wcast-function-pointer-strict and -Wrestrict. I have tested these on 'defconfig' and 'allmodconfig' builds across all architectures, as well as many 'randconfig' builds on x86, arm and arm64. It