From: Hans Verkuil Date: Mon, 22 Mar 2010 08:09:07 +0000 (-0300) Subject: V4L/DVB: pms: remove unnecessary exclusive open/close X-Git-Tag: firefly_0821_release~9833^2~2094^2~294 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=467422678e9e73bff8d175024cdd89ed48483697;p=firefly-linux-kernel-4.4.55.git V4L/DVB: pms: remove unnecessary exclusive open/close Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/pms.c b/drivers/media/video/pms.c index 0598bbd3f368..7129b50757db 100644 --- a/drivers/media/video/pms.c +++ b/drivers/media/video/pms.c @@ -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, };