On Wed, Nov 27, 2019 at 12:55:28AM +0700, Phong Tran wrote: > correct usage prototype of callback in tasklet_init(). > Report by https://github.com/KSPP/linux/issues/20 > > Signed-off-by: Phong Tran <tranmanphong@xxxxxxxxx> Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx> -Kees > --- > drivers/net/wireless/intel/iwlegacy/3945-mac.c | 5 +++-- > drivers/net/wireless/intel/iwlegacy/4965-mac.c | 5 +++-- > 2 files changed, 6 insertions(+), 4 deletions(-) > > diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c > index 4fbcc7fba3cc..e2e9c3e8fff5 100644 > --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c > +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c > @@ -1376,8 +1376,9 @@ il3945_dump_nic_error_log(struct il_priv *il) > } > > static void > -il3945_irq_tasklet(struct il_priv *il) > +il3945_irq_tasklet(unsigned long data) > { > + struct il_priv *il = (struct il_priv *)data; > u32 inta, handled = 0; > u32 inta_fh; > unsigned long flags; > @@ -3403,7 +3404,7 @@ il3945_setup_deferred_work(struct il_priv *il) > timer_setup(&il->watchdog, il_bg_watchdog, 0); > > tasklet_init(&il->irq_tasklet, > - (void (*)(unsigned long))il3945_irq_tasklet, > + il3945_irq_tasklet, > (unsigned long)il); > } > > diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c > index ffb705b18fb1..5fe17039a337 100644 > --- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c > +++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c > @@ -4344,8 +4344,9 @@ il4965_synchronize_irq(struct il_priv *il) > } > > static void > -il4965_irq_tasklet(struct il_priv *il) > +il4965_irq_tasklet(unsigned long data) > { > + struct il_priv *il = (struct il_priv *)data; > u32 inta, handled = 0; > u32 inta_fh; > unsigned long flags; > @@ -6238,7 +6239,7 @@ il4965_setup_deferred_work(struct il_priv *il) > timer_setup(&il->watchdog, il_bg_watchdog, 0); > > tasklet_init(&il->irq_tasklet, > - (void (*)(unsigned long))il4965_irq_tasklet, > + il4965_irq_tasklet, > (unsigned long)il); > } > > -- > 2.20.1 > -- Kees Cook