From: Leon Romanovsky leonro@mellanox.com

Most platforms ignore parameter provided to ZERO_PAGE macro, hence wrong parameter was used and missed. This caused to compilation error like presented below.

drivers/infiniband/core/uverbs_main.c: In function 'rdma_umap_fault': drivers/infiniband/core/uverbs_main.c:898:28: error: 'struct vm_fault' has no member named 'vm_start' vmf->page = ZERO_PAGE(vmf->vm_start); ^~ Cc: stable@vger.kernel.org Cc: Geert Uytterhoeven geert@linux-m68k.org Cc: Doug Ledford dledford@redhat.com Cc: Jason Gunthorpe jgg@mellanox.com Fixes: 67f269b37f9b ("RDMA/ucontext: Fix regression with disassociate") Signed-off-by: Heiko Carstens heiko.carstens@de.ibm.com Signed-off-by: Leon Romanovsky leonro@mellanox.com --- drivers/infiniband/core/uverbs_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c index 7843e89235c3..65fe89b3fa2d 100644 --- a/drivers/infiniband/core/uverbs_main.c +++ b/drivers/infiniband/core/uverbs_main.c @@ -895,7 +895,7 @@ static vm_fault_t rdma_umap_fault(struct vm_fault *vmf)

/* Read only pages can just use the system zero page. */ if (!(vmf->vma->vm_flags & (VM_WRITE | VM_MAYWRITE))) { - vmf->page = ZERO_PAGE(vmf->vm_start); + vmf->page = ZERO_PAGE(vmf->vma->vm_start); get_page(vmf->page); return 0; } -- 2.20.1