[PATCH 1/2] imx-drm: imx-ldb: fix kernel Oops in imx_ldb_unbind()

Am Dienstag, den 19.08.2014, 17:49 +0800 schrieb Shawn Guo:

Unbinding imx-ldb driver on imx6q-sabresd board triggers a kernel Oops
as below.

$ echo 2000000.aips-bus\:ldb\@020e0008 > unbind

[...]

Fix the issue by checking if the LDB channel is actually created/valid
before calling into its connector/encoder's destroy() function.

Signed-off-by: Shawn Guo <redacted>

Acked-by: Philipp Zabel <p.zabel@pengutronix.de>

Tested on Nitrogen6X with LVDS panel.

regards
Philipp