diff options
Diffstat (limited to 'drivers/hid/usbhid/hiddev.c')
| -rw-r--r-- | drivers/hid/usbhid/hiddev.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index 867e08433e4..433602aed46 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -265,9 +265,10 @@ static int hiddev_release(struct inode * inode, struct file * file) static int hiddev_open(struct inode *inode, struct file *file) { struct hiddev_list *list; - int res; + int res, i; - int i = iminor(inode) - HIDDEV_MINOR_BASE; + lock_kernel(); + i = iminor(inode) - HIDDEV_MINOR_BASE; if (i >= HIDDEV_MINORS || i < 0 || !hiddev_table[i]) return -ENODEV; @@ -313,10 +314,12 @@ static int hiddev_open(struct inode *inode, struct file *file) usbhid_open(hid); } + unlock_kernel(); return 0; bail: file->private_data = NULL; kfree(list); + unlock_kernel(); return res; } |