From: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Date: Wed, 24 Aug 2016 16:26:50 +0000 (-0300)
Subject: [media] tw5864: remove double irq lock code
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=617e901a12adf8bc9b8d2c41db0eccc7debab8d0;p=linux.git

[media] tw5864: remove double irq lock code

As warned by smatch:
	drivers/media/pci/tw5864/tw5864-core.c:160 tw5864_h264_isr() error: double lock 'irqsave:flags'
	drivers/media/pci/tw5864/tw5864-core.c:174 tw5864_h264_isr() error: double unlock 'irqsave:flags'

Remove the IRQ duplicated lock.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
---

diff --git a/drivers/media/pci/tw5864/tw5864-core.c b/drivers/media/pci/tw5864/tw5864-core.c
index 440cd7bb8d04d..e3d884e963c09 100644
--- a/drivers/media/pci/tw5864/tw5864-core.c
+++ b/drivers/media/pci/tw5864/tw5864-core.c
@@ -157,12 +157,10 @@ static void tw5864_h264_isr(struct tw5864_dev *dev)
 
 		cur_frame = next_frame;
 
-		spin_lock_irqsave(&input->slock, flags);
 		input->frame_seqno++;
 		input->frame_gop_seqno++;
 		if (input->frame_gop_seqno >= input->gop)
 			input->frame_gop_seqno = 0;
-		spin_unlock_irqrestore(&input->slock, flags);
 	} else {
 		dev_err(&dev->pci->dev,
 			"Skipped frame on input %d because all buffers busy\n",