On Thu, Nov 14, 2019 at 09:39:00PM -0800, Kees Cook wrote: > In order to make the entire kernel usable under Clang's Control Flow > Integrity protections, function prototype casts need to be avoided > because this will trip CFI checks at runtime (i.e. a mismatch between > the caller's expected function prototype and the destination function's > prototype). Many of these cases can be found with -Wcast-function-type, > which found that the rtl wifi drivers had a bunch of needless function > casts. Remove function casts for tasklet callbacks in the various drivers. > > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> > --- > drivers/staging/rtl8188eu/hal/rtl8188eu_recv.c | 3 +-- > drivers/staging/rtl8188eu/hal/rtl8188eu_xmit.c | 3 +-- > drivers/staging/rtl8188eu/include/rtl8188e_recv.h | 2 +- > drivers/staging/rtl8188eu/include/rtl8188e_xmit.h | 2 +- > drivers/staging/rtl8188eu/os_dep/usb_ops_linux.c | 4 ++-- > drivers/staging/rtl8192e/rtllib_softmac.c | 7 +++---- > .../staging/rtl8192u/ieee80211/ieee80211_softmac.c | 7 +++---- > drivers/staging/rtl8192u/r8192U_core.c | 8 ++++---- > drivers/staging/rtl8712/rtl8712_recv.c | 11 +++++------ > drivers/staging/rtl8712/rtl871x_xmit.c | 5 ++--- > drivers/staging/rtl8712/rtl871x_xmit.h | 2 +- > drivers/staging/rtl8712/usb_ops_linux.c | 4 ++-- > drivers/staging/rtl8723bs/hal/rtl8723bs_recv.c | 11 ++++------- > 13 files changed, 30 insertions(+), 39 deletions(-) This fails to apply to my staging-next branch of staging.git. Can you rebase and resend? thanks, greg k-h