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sh: Zero-out coherent buffer in consistent_alloc().

Be sure to zero out the buffer, this was causing occasional problems
under heavier PCI tests.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Paul Mundt 19 years ago
parent
commit
833abf7fe0
1 changed files with 1 additions and 0 deletions
  1. 1 0
      arch/sh/mm/consistent.c

+ 1 - 0
arch/sh/mm/consistent.c

@@ -28,6 +28,7 @@ void *consistent_alloc(gfp_t gfp, size_t size, dma_addr_t *handle)
 	split_page(page, order);
 
 	ret = page_address(page);
+	memset(ret, 0, size);
 	*handle = virt_to_phys(ret);
 
 	/*