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path: root/drivers/media/video/dabusb.c
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Diffstat (limited to 'drivers/media/video/dabusb.c')
-rw-r--r--drivers/media/video/dabusb.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/media/video/dabusb.c b/drivers/media/video/dabusb.c
index ee43876adb06..0f505086774c 100644
--- a/drivers/media/video/dabusb.c
+++ b/drivers/media/video/dabusb.c
@@ -616,10 +616,12 @@ static int dabusb_open (struct inode *inode, struct file *file)
{
int devnum = iminor(inode);
pdabusb_t s;
+ int r;
if (devnum < DABUSB_MINOR || devnum >= (DABUSB_MINOR + NRDABUSB))
return -EIO;
+ lock_kernel();
s = &dabusb[devnum - DABUSB_MINOR];
dbg("dabusb_open");
@@ -634,6 +636,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
msleep_interruptible(500);
if (signal_pending (current)) {
+ unlock_kernel();
return -EAGAIN;
}
mutex_lock(&s->mutex);
@@ -641,6 +644,7 @@ static int dabusb_open (struct inode *inode, struct file *file)
if (usb_set_interface (s->usbdev, _DABUSB_IF, 1) < 0) {
mutex_unlock(&s->mutex);
dev_err(&s->usbdev->dev, "set_interface failed\n");
+ unlock_kernel();
return -EINVAL;
}
s->opened = 1;
@@ -649,7 +653,9 @@ static int dabusb_open (struct inode *inode, struct file *file)
file->f_pos = 0;
file->private_data = s;
- return nonseekable_open(inode, file);
+ r = nonseekable_open(inode, file);
+ unlock_kernel();
+ return r;
}
static int dabusb_release (struct inode *inode, struct file *file)
@@ -913,6 +919,8 @@ static void __exit dabusb_cleanup (void)
MODULE_AUTHOR( DRIVER_AUTHOR );
MODULE_DESCRIPTION( DRIVER_DESC );
MODULE_LICENSE("GPL");
+MODULE_FIRMWARE("dabusb/firmware.fw");
+MODULE_FIRMWARE("dabusb/bitstream.bin");
module_param(buffers, int, 0);
MODULE_PARM_DESC (buffers, "Number of buffers (default=256)");