diff options
| author | Jonathan Corbet <corbet@lwn.net> | 2008-05-16 14:21:30 -0600 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 14:05:52 -0600 |
| commit | b2f2ba01b2a4356e92231669f7e3dcee37ac2fca (patch) | |
| tree | de198efeed37ffb2dd34c8f12f32bcde46dc5ac5 | |
| parent | 26ce4f0684ef4b96d0244ac58b89ec282d5b980c (diff) | |
printer gadget: BKL pushdown
Add explicit lock_kernel() calls to printer_open()
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
| -rw-r--r-- | drivers/usb/gadget/printer.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 76be75e3ab8..ec8f2eb041c 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -462,6 +462,7 @@ printer_open(struct inode *inode, struct file *fd) unsigned long flags; int ret = -EBUSY; + lock_kernel(); dev = container_of(inode->i_cdev, struct printer_dev, printer_cdev); spin_lock_irqsave(&dev->lock, flags); @@ -477,7 +478,7 @@ printer_open(struct inode *inode, struct file *fd) spin_unlock_irqrestore(&dev->lock, flags); DBG(dev, "printer_open returned %x\n", ret); - + unlock_kernel(); return ret; } |