From: Kenneth Waters <kwwaters@gmail.com>
Date: Tue, 21 Sep 2010 07:58:23 +0000 (-0700)
Subject: Input: joydev - fix JSIOCSAXMAP ioctl
X-Git-Tag: firefly_0821_release~10186^2~839
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0bed849274ba1408e45805000a13ccb1c94de4df;p=firefly-linux-kernel-4.4.55.git

Input: joydev - fix JSIOCSAXMAP ioctl

commit d2520a426dc3033c00077e923a553fc6c98c7564 upstream.

Fixed JSIOCSAXMAP ioctl to update absmap, the map from hardware axis to
event axis in addition to abspam.  This fixes a regression introduced
by 999b874f.

Signed-off-by: Kenneth Waters <kwwaters@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index b1bd6dd32286..93c60e0f2b8e 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -481,6 +481,9 @@ static int joydev_handle_JSIOCSAXMAP(struct joydev *joydev,
 
 	memcpy(joydev->abspam, abspam, len);
 
+	for (i = 0; i < joydev->nabs; i++)
+		joydev->absmap[joydev->abspam[i]] = i;
+
  out:
 	kfree(abspam);
 	return retval;