diff options
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/gadget/f_phonet.c | 1 | ||||
| -rw-r--r-- | drivers/usb/gadget/printer.c | 5 |
2 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/gadget/f_phonet.c b/drivers/usb/gadget/f_phonet.c index 5e1495097ec3..f22fc685ddfd 100644 --- a/drivers/usb/gadget/f_phonet.c +++ b/drivers/usb/gadget/f_phonet.c @@ -20,6 +20,7 @@ * 02110-1301 USA */ +#include <linux/mm.h> #include <linux/slab.h> #include <linux/kernel.h> #include <linux/device.h> diff --git a/drivers/usb/gadget/printer.c b/drivers/usb/gadget/printer.c index 271ef94668e7..978e6a101bf2 100644 --- a/drivers/usb/gadget/printer.c +++ b/drivers/usb/gadget/printer.c @@ -795,12 +795,14 @@ printer_write(struct file *fd, const char __user *buf, size_t len, loff_t *ptr) } static int -printer_fsync(struct file *fd, int datasync) +printer_fsync(struct file *fd, loff_t start, loff_t end, int datasync) { struct printer_dev *dev = fd->private_data; + struct inode *inode = fd->f_path.dentry->d_inode; unsigned long flags; int tx_list_empty; + mutex_lock(&inode->i_mutex); spin_lock_irqsave(&dev->lock, flags); tx_list_empty = (likely(list_empty(&dev->tx_reqs))); spin_unlock_irqrestore(&dev->lock, flags); @@ -810,6 +812,7 @@ printer_fsync(struct file *fd, int datasync) wait_event_interruptible(dev->tx_flush_wait, (likely(list_empty(&dev->tx_reqs_active)))); } + mutex_unlock(&inode->i_mutex); return 0; } |