On Thu, Sep 08, 2022 at 10:32:43PM +0200, Philipp Hortmann wrote: > CFI (Control Flow Integrity) is a safety feature allowing the system to > detect and react should a potential control flow hijacking occurs. In > particular, the Forward-Edge CFI protects indirect function calls by > ensuring the prototype of function that is actually called matches the > definition of the function hook. > > Since Linux now supports CFI, it will be a good idea to fix mismatched > return type for implementation of hooks. Otherwise this would get > cought out by CFI and cause a panic. > > Use enums from netdev_tx_t as return value instead, then change return > type to netdev_tx_t. > > Suggested-by: Dan Carpenter <error27@xxxxxxxxx> > Signed-off-by: Philipp Hortmann <philipp.g.hortmann@xxxxxxxxx> > --- > Tested with rtl8192e > Transferred this patch over wlan connection of rtl8192e > --- > drivers/staging/rtl8192e/rtllib.h | 2 +- > drivers/staging/rtl8192e/rtllib_tx.c | 10 +++++----- > 2 files changed, 6 insertions(+), 6 deletions(-) Someone sent the same patch before you did: https://lore.kernel.org/r/20220905130053.10731-1-guozihua@xxxxxxxxxx
