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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2007-03-31 06:58:20 +0400 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2007-03-31 06:58:20 +0400 |
| commit | 9f1167272890c210399e6b8a32d7cf7295713f5d (patch) | |
| tree | 5ace2f4d76d186b63270a4253eb85e6c12c47e2e | |
| parent | 4ee531a3e661207d4b2174486b0f86017a3adb82 (diff) | |
| download | linux-9f1167272890c210399e6b8a32d7cf7295713f5d.tar.xz | |
[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.c | 8 |
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); 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; |