[CRYPTO] api: Flush the current page right than the next



On platforms where flush_dcache_page is needed we're currently flushing
the next page right than the one we've just processed.  This patch fixes
the off-by-one error.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

parent 4ee531a3

crypto/scatterwalk.c

+6 −2

Original line number	Diff line number	Diff line
		@@ -59,8 +59,12 @@ EXPORT_SYMBOL_GPL(scatterwalk_map);
		static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
		unsigned int more)
		{
		if (out)
		flush_dcache_page(scatterwalk_page(walk));
		if (out) {
		struct page *page;

		page = walk->sg->page + ((walk->offset - 1) >> PAGE_SHIFT);
		flush_dcache_page(page);
		}

		if (more) {
		walk->offset += PAGE_SIZE - 1;