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| author | Paolo Bonzini <pbonzini@redhat.com> | 2016-09-08 15:35:44 +0200 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2016-09-08 15:35:44 +0200 |
| commit | 6f90f1d1d2d853b2745afdd83800b170996fab50 (patch) | |
| tree | 8d61cbc70dbda0d025c11fe6228bce678b1b1b30 /drivers/usb/core/devio.c | |
| parent | 411b44ba80ab0023383fe3f377e903cb0cb7d8bb (diff) | |
| parent | b0eb91ae630a4f2771790e306bb4df323127a397 (diff) | |
Merge tag 'kvm-s390-next-4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux into HEAD
KVM: s390: features and fixes for 4.9
- lazy enablement of runtime instrumentation
- up to 255 CPUs for nested guests
- rework of machine check deliver
- cleanups/fixes
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; } |