Commit dec81cf1 authored by Andrzej Pietrasiewicz's avatar Andrzej Pietrasiewicz Committed by Felipe Balbi

usb: gadget: printer: eliminate file global printer_mutex

The mutex is a legacy after semi-automatic Big Kernel Lock removal.
printer_open() does its own locking, so no need to duplicate it.
Signed-off-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent a844715d
......@@ -48,7 +48,6 @@ USB_GADGET_COMPOSITE_OPTIONS();
#define DRIVER_DESC "Printer Gadget"
#define DRIVER_VERSION "2007 OCT 06"
static DEFINE_MUTEX(printer_mutex);
static const char shortname [] = "printer";
static const char driver_desc [] = DRIVER_DESC;
......@@ -420,7 +419,6 @@ printer_open(struct inode *inode, struct file *fd)
unsigned long flags;
int ret = -EBUSY;
mutex_lock(&printer_mutex);
dev = container_of(inode->i_cdev, struct printer_dev, printer_cdev);
spin_lock_irqsave(&dev->lock, flags);
......@@ -436,7 +434,6 @@ printer_open(struct inode *inode, struct file *fd)
spin_unlock_irqrestore(&dev->lock, flags);
DBG(dev, "printer_open returned %x\n", ret);
mutex_unlock(&printer_mutex);
return ret;
}
......
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