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>

1 files changed, 2 insertions, 1 deletions

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;