1 files changed, 5 insertions, 1 deletions

diff --git a/fs/buffer.c b/fs/buffer.c
index 73abe6d8218c..6d51a3da362c 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -2313,9 +2313,10 @@ int block_commit_write(struct page *page, unsigned from, unsigned to)
  * unlock the page.
  */
 int
-block_page_mkwrite(struct vm_area_struct *vma, struct page *page,
+block_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf,
                    get_block_t get_block)
 {
+        struct page *page = vmf->page;
         struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
         unsigned long end;
         loff_t size;
@@ -2340,6 +2341,9 @@ block_page_mkwrite(struct vm_area_struct *vma, struct page *page,
                 ret = block_commit_write(page, 0, end);
 
 out_unlock:
+        if (ret)
+                ret = VM_FAULT_SIGBUS;
+
         unlock_page(page);
         return ret;
 }