From f7488c50f3e9ff8fe1893f4e6d447ec96e721261 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Sat, 21 Nov 2015 09:16:38 -0200
Subject: [PATCH] [media] dm1105: Remove unnecessary synchronize_irq() before
 free_irq()

Calling synchronize_irq() right before free_irq() is quite useless. On one
hand the IRQ can easily fire again before free_irq() is entered, on the
other hand free_irq() itself calls synchronize_irq() internally (in a race
condition free way), before any state associated with the IRQ is freed.

Patch was generated using the following semantic patch:
// <smpl>
@@
expression irq;
@@
-synchronize_irq(irq);
 free_irq(irq, ...);
// </smpl>

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---
 drivers/media/pci/dm1105/dm1105.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/media/pci/dm1105/dm1105.c b/drivers/media/pci/dm1105/dm1105.c
index 88915fb87e80..5dd504741b12 100644
--- a/drivers/media/pci/dm1105/dm1105.c
+++ b/drivers/media/pci/dm1105/dm1105.c
@@ -1206,7 +1206,6 @@ static void dm1105_remove(struct pci_dev *pdev)
 	i2c_del_adapter(&dev->i2c_adap);
 
 	dm1105_hw_exit(dev);
-	synchronize_irq(pdev->irq);
 	free_irq(pdev->irq, dev);
 	pci_iounmap(pdev, dev->io_mem);
 	pci_release_regions(pdev);
-- 
2.30.9