video: fbdev: au1200fb: Release some resources if a memory allocation fails

video: fbdev: au1200fb: Release some resources if a memory allocation fails

[ Upstream commit 451f130602619a17c8883dd0b71b11624faffd51 ]

We should go through the error handling code instead of returning -ENOMEM
directly.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>