tree e32b70ab3aced772db554ab870c6ba64fda33650
parent 97709069214eb75312c14946803b9da4d3814203
author Vineet Gupta <vgupta@synopsys.com> 1435900243 +0530
committer Vineet Gupta <vgupta@synopsys.com> 1436161141 +0530

ARC: Don't memzero twice in dma_alloc_coherent for __GFP_ZERO

alloc_pages_exact() get gfp flags and handle zero'ing already

And while it, fix the case where ioremap fails: return rightaway.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>