From d8254e0e72c8cc6131f789f8645338b719f57648 Mon Sep 17 00:00:00 2001
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Date: Tue, 7 Jan 2014 00:16:37 +0100
Subject: [PATCH] PNPBIOS: check return value of pnp_add_device()

pnp_add_device() may fail so we need to handle errors and avoid leaking
memory.

Also, when pnp_alloc_dev fails, return -ENOMEM rather than -1.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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