Commit 01367e86 authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge tag 'Wcast-function-type-5.17-rc1' of... 

Merge tag 'Wcast-function-type-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux

Pull cast-function-type warning addition from Gustavo A. R. Silva:
 "This globally enables -Wcast-function-type.

  We need to make sure new function cast mismatches are not introduced
  in the kernel in order to avoid tripping CFI checking"

* tag 'Wcast-function-type-5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux:
  Makefile: Enable -Wcast-function-type
parents 3e3a138a 552a23a0

Makefile

+5 −0
Original line number Diff line number Diff line
@@ -953,6 +953,11 @@ KBUILD_CFLAGS += -Wvla 
# disable pointer signed / unsigned warnings in gcc 4.0

KBUILD_CFLAGS += -Wno-pointer-sign



# In order to make sure new function cast mismatches are not introduced

# in the kernel (to avoid tripping CFI checking), the kernel should be

# globally built with -Wcast-function-type.

KBUILD_CFLAGS += $(call cc-option, -Wcast-function-type)



# disable stringop warnings in gcc 8+

KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation)