new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/binfmt_elf_fdpic.c b/fs/binfmt_elf_fdpic.c
index dc84732..30de01c 100644
--- a/fs/binfmt_elf_fdpic.c
+++ b/fs/binfmt_elf_fdpic.c
@@ -909,7 +909,7 @@
 
 dynamic_error:
 	printk("ELF FDPIC %s with invalid DYNAMIC section (inode=%lu)\n",
-	       what, file->f_path.dentry->d_inode->i_ino);
+	       what, file_inode(file)->i_ino);
 	return -ELIBBAD;
 }
 
@@ -1219,7 +1219,7 @@
 
 	/* By default, dump shared memory if mapped from an anonymous file. */
 	if (vma->vm_flags & VM_SHARED) {
-		if (vma->vm_file->f_path.dentry->d_inode->i_nlink == 0) {
+		if (file_inode(vma->vm_file)->i_nlink == 0) {
 			dump_ok = test_bit(MMF_DUMP_ANON_SHARED, &mm_flags);
 			kdcore("%08lx: %08lx: %s (share)", vma->vm_start,
 			       vma->vm_flags, dump_ok ? "yes" : "no");