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[198.145.64.163]) by smtp.gmail.com with ESMTPSA id s130sm4351138pgc.82.2019.11.26.21.05.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Nov 2019 21:05:48 -0800 (PST) Date: Tue, 26 Nov 2019 21:05:48 -0800 From: Kees Cook To: Phong Tran Cc: Larry.Finger@lwfinger.net, jakub.kicinski@netronome.com, kvalo@codeaurora.org, Wright.Feng@cypress.com, arend.vanspriel@broadcom.com, davem@davemloft.net, emmanuel.grumbach@intel.com, franky.lin@broadcom.com, johannes.berg@intel.com, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, luciano.coelho@intel.com, netdev@vger.kernel.org, p.figiel@camlintechnologies.com, pieter-paul.giesberts@broadcom.com, pkshih@realtek.com, rafal@milecki.pl, sara.sharon@intel.com, shahar.s.matityahu@intel.com, yhchuang@realtek.com, yuehaibing@huawei.com Subject: Re: [Patch v2 3/4] iwlegacy: Fix -Wcast-function-type Message-ID: <201911262105.E50C54F@keescook> References: <20191125150215.29263-1-tranmanphong@gmail.com> <20191126175529.10909-1-tranmanphong@gmail.com> <20191126175529.10909-4-tranmanphong@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191126175529.10909-4-tranmanphong@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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 Reviewed-by: Kees Cook -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