From c0fb754bd81fafcd63644d5482ba9669d3e4fe9c Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 28 Nov 2014 12:43:40 +0300
Subject: [PATCH] brcmsmac: NULL dereferences in brcms_c_detach_mfree()

The brcms_c_attach_malloc() function can call this with a NULL
"wlc->corestate" or "wlc->hw".

Also I threw in a bonus cleanup by deleting an obvious comment and a
no-op NULL assignment.  :)

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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