[PATCH] Fix boundary check in standard multi-block cipher processors

[PATCH] Fix boundary check in standard multi-block cipher processors

[CRYPTO] Fix boundary check in standard multi-block cipher processors

Fixes Bug 5194 (IPSec related Oops in 2.6.13).

The boundary check in the standard multi-block cipher processors are
broken when nbytes is not a multiple of bsize.  In those cases it will
always process an extra block.

This patch corrects the check so that it processes at most nbytes of data.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Chris Wright <chrisw@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>