Input: joydev - fix JSIOCSAXMAP ioctl

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>
Cc: stable@kernel.org
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/input/joydev.c b/drivers/input/joydev.c
index d85bd8a7967d..22239e988498 100644
--- a/drivers/input/joydev.c
+++ b/drivers/input/joydev.c
@@ -483,6 +483,9 @@ 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;