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rdma: fix build errors on s390 and MIPS due to bad ZERO_PAGE use

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The parameter to ZERO_PAGE() was wrong, but since all architectures
except for MIPS and s390 ignore it, it wasn't noticed until 0-day
reported the build error.

Fixes: 67f269b37f ("RDMA/ucontext: Fix regression with disassociate")
Cc: stable@vger.kernel.org
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Leon Romanovsky <leonro@mellanox.com>
Cc: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Linus Torvalds 2019-04-29 09:48:53 -07:00
parent 37624b5854
commit 6a5c5d26c4
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/core/uverbs_main.c
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@ -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->address);
get_page(vmf->page);
return 0;
}