From: Nicolas Pitre <nicolas.pitre@linaro.org>
Date: Fri, 26 Oct 2018 22:04:06 +0000 (-0700)
Subject: cramfs: convert to use vmf_insert_mixed
X-Git-Tag: v4.20-rc1~92^2~102
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7f2764cfbd85a18170f9d7a4cf01454dead8b0bc;p=thirdparty%2Flinux.git

cramfs: convert to use vmf_insert_mixed

cramfs is the only remaining user of vm_insert_mixed() and should be
converted to vmf_insert_mixed().

Based on a previous patch from Matthew Wilcox.

Link: http://lkml.kernel.org/r/nycvar.YSQ.7.76.1808290945450.10215@knanqh.ubzr
Signed-off-by: Nicolas Pitre <nico@linaro.org>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Souptick Joarder <jrdr.linux@gmail.com>a
Cc: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index f408994fc6321..0c35e62f108d1 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -418,9 +418,12 @@ static int cramfs_physmem_mmap(struct file *file, struct vm_area_struct *vma)
 		int i;
 		vma->vm_flags |= VM_MIXEDMAP;
 		for (i = 0; i < pages && !ret; i++) {
+			vm_fault_t vmf;
 			unsigned long off = i * PAGE_SIZE;
 			pfn_t pfn = phys_to_pfn_t(address + off, PFN_DEV);
-			ret = vm_insert_mixed(vma, vma->vm_start + off, pfn);
+			vmf = vmf_insert_mixed(vma, vma->vm_start + off, pfn);
+			if (vmf & VM_FAULT_ERROR)
+				ret = vm_fault_to_errno(vmf, 0);
 		}
 	}