From: Axel Lin <axel.lin@gmail.com>
Date: Mon, 10 Jan 2011 02:26:00 +0000 (+0800)
Subject: iwmc3200wifi: Return proper error for iwm_if_alloc
X-Git-Tag: v2.6.38-rc2~33^2~17^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=35b3ac470b982ded560e1b2ec9206a8d186c3459;p=pandora-kernel.git

iwmc3200wifi: Return proper error for iwm_if_alloc

In the case of alloc_netdev_mq failure and kmalloc failure,
current implementation returns ERR_PTR(0).

As a result, the caller of iwm_if_alloc does not catch the error by IS_ERR
macro. Fix it by setting proper error code for ret variable in the failure
cases.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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