From 6a5c5d26c4c6c3cc486fef0bf04ff9551132611b Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@linux-foundation.org>
Date: Mon, 29 Apr 2019 09:48:53 -0700
Subject: [PATCH] rdma: fix build errors on s390 and MIPS due to bad ZERO_PAGE
use
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: 67f269b37f9b ("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>
---
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 7843e89235c34..c489f545baaee 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->address);
get_page(vmf->page);
return 0;
}
--
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