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authorHerbert Xu <herbert@gondor.apana.org.au>2007-03-30 22:58:20 -0400
committerHerbert Xu <herbert@gondor.apana.org.au>2007-03-30 22:58:20 -0400
commit9f1167272890c210399e6b8a32d7cf7295713f5d (patch)
tree5ace2f4d76d186b63270a4253eb85e6c12c47e2e
parent4ee531a3e661207d4b2174486b0f86017a3adb82 (diff)
[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>
-rw-r--r--crypto/scatterwalk.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
index 0f76175f623f..81afd1790a1d 100644
--- a/crypto/scatterwalk.c
+++ b/crypto/scatterwalk.c
@@ -59,8 +59,12 @@ EXPORT_SYMBOL_GPL(scatterwalk_map);
59static void scatterwalk_pagedone(struct scatter_walk *walk, int out, 59static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
60 unsigned int more) 60 unsigned int more)
61{ 61{
62 if (out) 62 if (out) {
63 flush_dcache_page(scatterwalk_page(walk)); 63 struct page *page;
64
65 page = walk->sg->page + ((walk->offset - 1) >> PAGE_SHIFT);
66 flush_dcache_page(page);
67 }
64 68
65 if (more) { 69 if (more) {
66 walk->offset += PAGE_SIZE - 1; 70 walk->offset += PAGE_SIZE - 1;