netdev - [Patch v2 3/4] iwlegacy: Fix -Wcast-function-type

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Date:   Wed, 27 Nov 2019 00:55:28 +0700
From:   Phong Tran <tranmanphong@...il.com>
To:     Larry.Finger@...inger.net, jakub.kicinski@...ronome.com,
        kvalo@...eaurora.org
Cc:     tranmanphong@...il.com, Wright.Feng@...ress.com,
        arend.vanspriel@...adcom.com, davem@...emloft.net,
        emmanuel.grumbach@...el.com, franky.lin@...adcom.com,
        johannes.berg@...el.com, keescook@...omium.org,
        linux-kernel@...r.kernel.org, linux-wireless@...r.kernel.org,
        luciano.coelho@...el.com, netdev@...r.kernel.org,
        p.figiel@...lintechnologies.com,
        pieter-paul.giesberts@...adcom.com, pkshih@...ltek.com,
        rafal@...ecki.pl, sara.sharon@...el.com,
        shahar.s.matityahu@...el.com, yhchuang@...ltek.com,
        yuehaibing@...wei.com
Subject: [Patch v2 3/4] iwlegacy: Fix -Wcast-function-type

correct usage prototype of callback in tasklet_init().
Report by https://github.com/KSPP/linux/issues/20

Signed-off-by: Phong Tran <tranmanphong@...il.com>
---
 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