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uio: Change return type to vm_fault_t

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Use new return type vm_fault_t for fault handler
in struct vm_operations_struct. For now, this is
just documenting that the function returns a VM_
FAULT value rather than an errno.  Once all inst
ances are converted, vm_fault_t will become a di
stinct type.

Reference - 1c8f422059 ("mm: change return type
to vm_fault_t")

Signed-off-by: Souptick Joarder <jrdr.linux@gmail.com>
Reviewed-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Souptick Joarder 2018-04-17 00:03:55 +05:30 committed by Greg Kroah-Hartman
parent a5a0b45eda
commit 9b85e95a30
1 changed files with 1 additions and 1 deletions
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2
drivers/uio/uio.c
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@ -597,7 +597,7 @@ static int uio_find_mem_index(struct vm_area_struct *vma)
return -1; return -1;
} }
static int uio_vma_fault(struct vm_fault *vmf) static vm_fault_t uio_vma_fault(struct vm_fault *vmf)
{ {
struct uio_device *idev = vmf->vma->vm_private_data; struct uio_device *idev = vmf->vma->vm_private_data;
struct page *page; struct page *page;