diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-21 21:33:17 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-21 21:33:17 -0400 |
| commit | 1aaaa9acaea1dd2878d6c92b45e4c117ef425baf (patch) | |
| tree | f1fe5948a6da8850862ae751da0b62dac351517f /drivers/usb/core/devio.c | |
| parent | 73577d61799e8d8bb7d69a9acdc54923e5998138 (diff) | |
| parent | fa8410b355251fd30341662a40ac6b22d3e38468 (diff) | |
Merge 4.8-rc3 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/devio.c')
| -rw-r--r-- | drivers/usb/core/devio.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index e9f5043a2167..e6a6d67c8705 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -241,7 +241,8 @@ static int usbdev_mmap(struct file *file, struct vm_area_struct *vma) goto error_decrease_mem; } - mem = usb_alloc_coherent(ps->dev, size, GFP_USER, &dma_handle); + mem = usb_alloc_coherent(ps->dev, size, GFP_USER | __GFP_NOWARN, + &dma_handle); if (!mem) { ret = -ENOMEM; goto error_free_usbm; @@ -2582,7 +2583,9 @@ static unsigned int usbdev_poll(struct file *file, if (file->f_mode & FMODE_WRITE && !list_empty(&ps->async_completed)) mask |= POLLOUT | POLLWRNORM; if (!connected(ps)) - mask |= POLLERR | POLLHUP; + mask |= POLLHUP; + if (list_empty(&ps->list)) + mask |= POLLERR; return mask; } |