[PATCH 3.14 20/44] crypto: ixp4xx - Remove bogus BUG_ON on scattered dst buffer

From: Greg Kroah-Hartman
Date: Fri Aug 14 2015 - 14:04:54 EST

3.14-stable review patch. If anyone has any objections, please let me know.


From: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>

commit f898c522f0e9ac9f3177d0762b76e2ab2d2cf9c0 upstream.

This patch removes a bogus BUG_ON in the ablkcipher path that
triggers when the destination buffer is different from the source
buffer and is scattered.

Signed-off-by: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

drivers/crypto/ixp4xx_crypto.c | 1 -
1 file changed, 1 deletion(-)

--- a/drivers/crypto/ixp4xx_crypto.c
+++ b/drivers/crypto/ixp4xx_crypto.c
@@ -904,7 +904,6 @@ static int ablk_perform(struct ablkciphe
crypt->mode |= NPE_OP_NOT_IN_PLACE;
/* This was never tested by Intel
* for more than one dst buffer, I think. */
- BUG_ON(req->dst->length < nbytes);
req_ctx->dst = NULL;
if (!chainup_buffers(dev, req->dst, nbytes, &dst_hook,

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