netdev - [Patch v2 1/4] b43legacy: Fix -Wcast-function-type

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Date:   Wed, 27 Nov 2019 00:55:26 +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 1/4] b43legacy: Fix -Wcast-function-type

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

Tested-by: Larry Finger <Larry.Finger@...inger.net>
Signed-off-by: Phong Tran <tranmanphong@...il.com>
---
 drivers/net/wireless/broadcom/b43legacy/main.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/b43legacy/main.c b/drivers/net/wireless/broadcom/b43legacy/main.c
index 4325e91736eb..8b6b657c4b85 100644
--- a/drivers/net/wireless/broadcom/b43legacy/main.c
+++ b/drivers/net/wireless/broadcom/b43legacy/main.c
@@ -1275,8 +1275,9 @@ static void handle_irq_ucode_debug(struct b43legacy_wldev *dev)
 }
 
 /* Interrupt handler bottom-half */
-static void b43legacy_interrupt_tasklet(struct b43legacy_wldev *dev)
+static void b43legacy_interrupt_tasklet(unsigned long data)
 {
+	struct b43legacy_wldev *dev = (struct b43legacy_wldev *)data;
 	u32 reason;
 	u32 dma_reason[ARRAY_SIZE(dev->dma_reason)];
 	u32 merged_dma_reason = 0;
@@ -3741,7 +3742,7 @@ static int b43legacy_one_core_attach(struct ssb_device *dev,
 	b43legacy_set_status(wldev, B43legacy_STAT_UNINIT);
 	wldev->bad_frames_preempt = modparam_bad_frames_preempt;
 	tasklet_init(&wldev->isr_tasklet,
-		     (void (*)(unsigned long))b43legacy_interrupt_tasklet,
+		     b43legacy_interrupt_tasklet,
 		     (unsigned long)wldev);
 	if (modparam_pio)
 		wldev->__using_pio = true;
-- 
2.20.1