crypto: scatterwalk - Fix scatterwalk_done() test

We are done with the scattergather entry when the walk offset goes past sg->offset + sg->length, not when it crosses a page boundary. There is a similarly queer test in the second half of scatterwalk_pagedone() that probably needs some scrutiny. Signed-off-by: David S. Miller <[email protected]> Signed-off-by: Herbert Xu <[email protected]>
RyanHsu · May 19, 2010 · 85c6201 · 85c6201
1 parent 3385329
commit 85c6201
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/crypto/scatterwalk.c b/crypto/scatterwalk.c
@@ -68,7 +68,7 @@ static void scatterwalk_pagedone(struct scatter_walk *walk, int out,
 
 void scatterwalk_done(struct scatter_walk *walk, int out, int more)
 {
-	if (!offset_in_page(walk->offset) || !more)
+	if (!(scatterwalk_pagelen(walk) & (PAGE_SIZE - 1)) || !more)
 		scatterwalk_pagedone(walk, out, more);
 }
 EXPORT_SYMBOL_GPL(scatterwalk_done);