Commit 46742267 authored by Hans Verkuil's avatar Hans Verkuil Committed by Mauro Carvalho Chehab
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V4L/DVB: pms: remove unnecessary exclusive open/close 



Signed-off-by: default avatarHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent b3e212dc

drivers/media/video/pms.c

+0 −18
Original line number Diff line number Diff line
@@ -61,7 +61,6 @@ struct pms { 
	int depth;

	int input;

	s32 brightness, saturation, hue, contrast;

	unsigned long in_use;

	struct mutex lock;

	int i2c_count;

	struct i2c_info i2cinfo[64];
@@ -931,25 +930,8 @@ static ssize_t pms_read(struct file *file, char __user *buf, 
	return len;

}



static int pms_exclusive_open(struct file *file)

{

	struct pms *dev = video_drvdata(file);



	return test_and_set_bit(0, &dev->in_use) ? -EBUSY : 0;

}



static int pms_exclusive_release(struct file *file)

{

	struct pms *dev = video_drvdata(file);



	clear_bit(0, &dev->in_use);

	return 0;

}



static const struct v4l2_file_operations pms_fops = {

	.owner		= THIS_MODULE,

	.open           = pms_exclusive_open,

	.release        = pms_exclusive_release,

	.ioctl		= video_ioctl2,

	.read           = pms_read,

};