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(parent: 6ce4eac) | patch
metag: dma: remove dead code in dma_alloc_init()
authorJames Hogan <james.hogan@imgtec.com>
Thu, 14 Nov 2013 10:14:37 +0000 (10:14 +0000)
committerJames Hogan <james.hogan@imgtec.com>
Mon, 25 Nov 2013 10:50:27 +0000 (10:50 +0000)
commitcdf8d75818e3cd30746d38f5fbcdb3745fd267a3
tree93066237e17d9f3205a71d9edd72c083e9c84f7dtree | snapshot
parent6ce4eac1f600b34f2f7f58f9cd8f0503d79e42aecommit | diff
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>
arch/metag/kernel/dma.c diff | blob | history
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