diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 15:05:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-10 15:05:02 -0700 |
| commit | 9895850b23886e030cd1e7241d5529a57e969c3d (patch) | |
| tree | 1061626db450aeb72dcfcd247c24b33e5238c8c4 /drivers/usb/gadget/inode.c | |
| parent | fc385c313275b114bc6ad36e60c5177d63250548 (diff) | |
| parent | b58af4066d240b18b43f202e07b9ec7461d90b17 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (148 commits)
USB: serial: fix stalled writes
USB: remove fake "address-of" expressions
USB: fix thread-unsafe anchor utiliy routines
USB: usbtest: support test device with only one iso-in or iso-out endpoint
USB: usbtest: avoid to free coherent buffer in atomic context
USB: xhci: Set DMA mask for host.
USB: xhci: Don't flush doorbell writes.
USB: xhci: Reduce reads and writes of interrupter registers.
USB: xhci: Make xhci_set_hc_event_deq() static.
USB: xhci: Minimize HW event ring dequeue pointer writes.
USB: xhci: Make xhci_handle_event() static.
USB: xhci: Remove unnecessary reads of IRQ_PENDING register.
USB: xhci: Performance - move xhci_work() into xhci_irq()
USB: xhci: Performance - move interrupt handlers into xhci-ring.c
USB: xhci: Performance - move functions that find ep ring.
USB:: fix linux/usb.h kernel-doc warnings
USB: add USB serial ssu100 driver
USB: usb-storage: implement autosuspend
USB: ehci: fix remove of ehci debugfs dir
USB: Add USB 2.0 to ssb ohci driver
...
Diffstat (limited to 'drivers/usb/gadget/inode.c')
| -rw-r--r-- | drivers/usb/gadget/inode.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c index de8a83803505..fc35406fc80c 100644 --- a/drivers/usb/gadget/inode.c +++ b/drivers/usb/gadget/inode.c @@ -1299,11 +1299,9 @@ static long dev_ioctl (struct file *fd, unsigned code, unsigned long value) struct usb_gadget *gadget = dev->gadget; long ret = -ENOTTY; - if (gadget->ops->ioctl) { - lock_kernel(); + if (gadget->ops->ioctl) ret = gadget->ops->ioctl (gadget, code, value); - unlock_kernel(); - } + return ret; } @@ -1867,13 +1865,9 @@ dev_config (struct file *fd, const char __user *buf, size_t len, loff_t *ptr) buf += 4; length -= 4; - kbuf = kmalloc (length, GFP_KERNEL); - if (!kbuf) - return -ENOMEM; - if (copy_from_user (kbuf, buf, length)) { - kfree (kbuf); - return -EFAULT; - } + kbuf = memdup_user(buf, length); + if (IS_ERR(kbuf)) + return PTR_ERR(kbuf); spin_lock_irq (&dev->lock); value = -EINVAL; |