From b2f2ba01b2a4356e92231669f7e3dcee37ac2fca Mon Sep 17 00:00:00 2001 From: Jonathan Corbet Date: Fri, 16 May 2008 14:21:30 -0600 Subject: [PATCH] printer gadget: BKL pushdown Add explicit lock_kernel() calls to printer_open() Signed-off-by: Jonathan Corbet --- drivers/usb/gadget/printer.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 76be75e3ab8f..ec8f2eb041ca 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; } -- 2.20.1