Commit ff6363d8 authored Dec 17, 2014 by Chintan Pandya Committed by Susheel Khiani Dec 26, 2014

dma-contiguous: Re-order the error handling sequence



When CMA allocation fails because of any pending
signals, we clear off pfn and bit map before
returning back. While clearing off the bitmap,
we still use the pfn info so, clear pfn only
after bitmap is cleared.

CRs-fixed: 772299
Change-Id: I94e566181f75b7c8ebdab7d29437e5fca5f3fbdc
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
Signed-off-by: Susheel Khiani <skhiani@codeaurora.org>

parent ee424606

drivers/base/dma-contiguous.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -637,8 +637,8 @@ unsigned long dma_alloc_from_contiguous(struct device *dev, int count,
		if (ret == 0) {
		break;
		} else if (ret != -EBUSY) {
		pfn = 0;
		clear_cma_bitmap(cma, pfn, count);
		pfn = 0;
		break;
		}
		clear_cma_bitmap(cma, pfn, count);