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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 <davem@davemloft.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
David S. Miller 2010-05-19 14:06:29 +10:00 committed by Herbert Xu
parent 3385329a0a
commit 85c6201a80
1 changed files with 1 additions and 1 deletions
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2
crypto/scatterwalk.c
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@ -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) 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); scatterwalk_pagedone(walk, out, more);
} }
EXPORT_SYMBOL_GPL(scatterwalk_done); EXPORT_SYMBOL_GPL(scatterwalk_done);