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authorRafael J. Wysocki <rjw@sisk.pl>2009-08-10 23:40:50 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2009-08-10 23:40:50 +0200
commitdcbf77cac640af0ab944d5cbb07934bf6708b4d9 (patch)
treee2f4d1b3a1089ee10436cb19740a9cb99f2dc527 /drivers/usb/core/devio.c
parentc00aafcd4977769e8728292302ddbbb8b1082fab (diff)
parent85dfd81dc57e8183a277ddd7a56aa65c96f3f487 (diff)
downloadlinux-dcbf77cac640af0ab944d5cbb07934bf6708b4d9.tar.bz2
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/usb/core/devio.c')
-rw-r--r--drivers/usb/core/devio.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 38b8bce782d6..4247eccf858c 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -595,7 +595,7 @@ static int usbdev_open(struct inode *inode, struct file *file)
if (!ps)
goto out;
- ret = -ENOENT;
+ ret = -ENODEV;
/* usbdev device-node */
if (imajor(inode) == USB_DEVICE_MAJOR)
@@ -1321,7 +1321,8 @@ static int get_urb32(struct usbdevfs_urb *kurb,
struct usbdevfs_urb32 __user *uurb)
{
__u32 uptr;
- if (get_user(kurb->type, &uurb->type) ||
+ if (!access_ok(VERIFY_READ, uurb, sizeof(*uurb)) ||
+ __get_user(kurb->type, &uurb->type) ||
__get_user(kurb->endpoint, &uurb->endpoint) ||
__get_user(kurb->status, &uurb->status) ||
__get_user(kurb->flags, &uurb->flags) ||
@@ -1536,8 +1537,9 @@ static int proc_ioctl_compat(struct dev_state *ps, compat_uptr_t arg)
u32 udata;
uioc = compat_ptr((long)arg);
- if (get_user(ctrl.ifno, &uioc->ifno) ||
- get_user(ctrl.ioctl_code, &uioc->ioctl_code) ||
+ if (!access_ok(VERIFY_READ, uioc, sizeof(*uioc)) ||
+ __get_user(ctrl.ifno, &uioc->ifno) ||
+ __get_user(ctrl.ioctl_code, &uioc->ioctl_code) ||
__get_user(udata, &uioc->data))
return -EFAULT;
ctrl.data = compat_ptr(udata);