From: James Hogan <james.hogan@imgtec.com>
Date: Thu, 14 Nov 2013 10:14:37 +0000 (+0000)
Subject: metag: dma: remove dead code in dma_alloc_init()
X-Git-Tag: v3.14-rc1~182^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cdf8d75818e3cd30746d38f5fbcdb3745fd267a3;p=pandora-kernel.git

metag: dma: remove dead code in dma_alloc_init()

Meta has 2 levels of page table so the pmd folds into the pud which
folds into the pgd. Therefore the !pmd check in dma_alloc_init() is dead
code since it essentially checks whether:
  (init_mm->pgd + 0x770) == 0

Remove the check.

Reported-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: James Hogan <james.hogan@imgtec.com>
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