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Date:   Wed, 16 May 2018 07:43:43 +0200
From:   Christoph Hellwig <hch@....de>
To:     Souptick Joarder <jrdr.linux@...il.com>,
        Matthew Wilcox <willy@...radead.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org, devel@...ts.orangefs.org,
        ceph-devel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, ocfs2-devel@....oracle.com,
        linux-mtd@...ts.infradead.org, dri-devel@...ts.freedesktop.org,
        lustre-devel@...ts.lustre.org,
        linux-arm-kernel@...ts.infradead.org, linux-s390@...r.kernel.org
Subject: [PATCH 09/14] ubifs: separate errno from VM_FAULT_* values

Signed-off-by: Christoph Hellwig <hch@....de>
---
 fs/ubifs/file.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 1acb2ff505e6..7c1a2e1c3de5 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1513,7 +1513,7 @@ static int ubifs_releasepage(struct page *page, gfp_t unused_gfp_flags)
  * mmap()d file has taken write protection fault and is being made writable.
  * UBIFS must ensure page is budgeted for.
  */
-static int ubifs_vm_page_mkwrite(struct vm_fault *vmf)
+static vm_fault_t ubifs_vm_page_mkwrite(struct vm_fault *vmf)
 {
 	struct page *page = vmf->page;
 	struct inode *inode = file_inode(vmf->vma->vm_file);
@@ -1521,6 +1521,7 @@ static int ubifs_vm_page_mkwrite(struct vm_fault *vmf)
 	struct timespec now = current_time(inode);
 	struct ubifs_budget_req req = { .new_page = 1 };
 	int err, update_time;
+	vm_fault_t ret = 0;
 
 	dbg_gen("ino %lu, pg %lu, i_size %lld",	inode->i_ino, page->index,
 		i_size_read(inode));
@@ -1601,8 +1602,8 @@ static int ubifs_vm_page_mkwrite(struct vm_fault *vmf)
 	unlock_page(page);
 	ubifs_release_budget(c, &req);
 	if (err)
-		err = VM_FAULT_SIGBUS;
-	return err;
+		ret = VM_FAULT_SIGBUS;
+	return ret;
 }
 
 static const struct vm_operations_struct ubifs_file_vm_ops = {
-- 
2.17.0

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