phy: miphy28lp: Use PTR_ERR_OR_ZERO

PTR_ERR_OR_ZERO simplifies the code.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Gabriel Fernandez<gabriel.fernandez@linaro.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Axel Lin 2015-03-05 09:44:06 +08:00 • committed by Kishon Vijay Abraham I
commit 320c3fcec6