sh: Zero-out coherent buffer in consistent_alloc().
authorPaul Mundt <lethal@linux-sh.org>
Tue, 10 Oct 2006 09:33:10 +0000 (18:33 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Tue, 10 Oct 2006 09:33:10 +0000 (18:33 +0900)
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>
arch/sh/mm/consistent.c

index c81e6b67ad300e9e8b23c5adfc1658184d1ea59e..38c82d890ffda6a5cb332ad3b387bde0476dc551 100644 (file)
@@ -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);
 
        /*