new helper: file_inode(file)

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/sound/core/info.c b/sound/core/info.c
index 6b368d2..5bb97e7 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -496,7 +496,7 @@
 
 static int snd_info_entry_mmap(struct file *file, struct vm_area_struct *vma)
 {
-	struct inode *inode = file->f_path.dentry->d_inode;
+	struct inode *inode = file_inode(file);
 	struct snd_info_private_data *data;
 	struct snd_info_entry *entry;
 
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 09b4286..71ae86c 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -1586,7 +1586,7 @@
 	file = fget_light(fd, fput_needed);
 	if (!file)
 		return NULL;
-	inode = file->f_path.dentry->d_inode;
+	inode = file_inode(file);
 	if (!S_ISCHR(inode->i_mode) ||
 	    imajor(inode) != snd_major) {
 		fput_light(file, *fput_needed);