From: Herbert Xu Date: Wed, 22 Jul 2015 10:05:35 +0000 (+0800) Subject: crypto: ixp4xx - Remove bogus BUG_ON on scattered dst buffer X-Git-Tag: v3.16.35~1492 X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=57ece6983da1978b426737490568603d562134e4;p=thirdparty%2Fkernel%2Fstable.git crypto: ixp4xx - Remove bogus BUG_ON on scattered dst buffer 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 Signed-off-by: Luis Henriques --- diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c index f757a0f428bde..3beed38d306a7 100644 --- a/drivers/crypto/ixp4xx_crypto.c +++ b/drivers/crypto/ixp4xx_crypto.c @@ -904,7 +904,6 @@ static int ablk_perform(struct ablkcipher_request *req, int encrypt) 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, flags, DMA_FROM_DEVICE))