A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-30 03:27:44 -04:00
Code Issues Projects Releases Packages Wiki Activity

USB: Push BKL on open down into the drivers

Browse source 
Straightforward push into the drivers to allow
auditing individual drivers separately

Signed-off-by: Oliver Neukum <[email protected]>
Acked-by: Mauro Carvalho Chehab <[email protected]>
Cc: Jiri Kosina <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Oliver Neukum 2010-01-13 15:33:15 +01:00 • committed by Greg Kroah-Hartman
commit 86266452f8
20 changed files with 99 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

8
drivers/media/video/dabusb.c
View file

@ -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)