From: David Herrmann <dh.herrmann@gmail.com>
Date: Sun, 5 May 2013 21:13:02 +0000 (+0200)
Subject: HID: wiimote: fix ctx pointer in debugfs DRM-write
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=51103c70bf8d48395ff77eee387e6c94f0216630;p=openwrt%2Fstaging%2Fblogic.git

HID: wiimote: fix ctx pointer in debugfs DRM-write

single_open() stores the seq_file pointer in file->private_data. It stores
our ctx pointer in seq_file->private.

Signed-off-by: David Herrmann <dh.herrmann@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
---

diff --git a/drivers/hid/hid-wiimote-debug.c b/drivers/hid/hid-wiimote-debug.c
index fdd30dd71ef8..0c0deaa23774 100644
--- a/drivers/hid/hid-wiimote-debug.c
+++ b/drivers/hid/hid-wiimote-debug.c
@@ -127,7 +127,8 @@ static int wiidebug_drm_open(struct inode *i, struct file *f)
 static ssize_t wiidebug_drm_write(struct file *f, const char __user *u,
 							size_t s, loff_t *off)
 {
-	struct wiimote_debug *dbg = f->private_data;
+	struct seq_file *sf = f->private_data;
+	struct wiimote_debug *dbg = sf->private;
 	unsigned long flags;
 	char buf[16];
 	ssize_t len;