From dd9f8c3507995f7ccfe42b1f1728f4d57d04c5c6 Mon Sep 17 00:00:00 2001
From: Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de>
Date: Thu, 19 Jan 2017 19:24:32 +0100
Subject: needed backports from 3.4 kernel to enable debugging in the ath9k
 wifi driver

Signed-off-by: Wolfgang Wiedmeyer <wolfgit@wiedmeyer.de>
---
 fs/libfs.c                | 7 +++++++
 include/linux/fs.h        | 1 +
 include/linux/ieee80211.h | 7 +++++++
 3 files changed, 15 insertions(+)

diff --git a/fs/libfs.c b/fs/libfs.c
index 275ca474..3af183c 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -264,6 +264,13 @@ Enomem:
 	return ERR_PTR(-ENOMEM);
 }
 
+int simple_open(struct inode *inode, struct file *file)
+{
+	if (inode->i_private)
+		file->private_data = inode->i_private;
+	return 0;
+}
+
 int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry)
 {
 	struct inode *inode = old_dentry->d_inode;
diff --git a/include/linux/fs.h b/include/linux/fs.h
index f74b004..39fbfd3 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2467,6 +2467,7 @@ extern int dcache_readdir(struct file *, void *, filldir_t);
 extern int simple_setattr(struct dentry *, struct iattr *);
 extern int simple_getattr(struct vfsmount *, struct dentry *, struct kstat *);
 extern int simple_statfs(struct dentry *, struct kstatfs *);
+extern int simple_open(struct inode *inode, struct file *file);
 extern int simple_link(struct dentry *, struct inode *, struct dentry *);
 extern int simple_unlink(struct inode *, struct dentry *);
 extern int simple_rmdir(struct inode *, struct dentry *);
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 2d5ace9..7dd1458 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -804,6 +804,13 @@ struct ieee80211_mmie {
 	u8 mic[8];
 } __attribute__ ((packed));
 
+struct ieee80211_vendor_ie {
+	u8 element_id;
+	u8 len;
+	u8 oui[3];
+	u8 oui_type;
+} __packed;
+
 /* Control frames */
 struct ieee80211_rts {
 	__le16 frame_control;
-- 
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