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 <[email protected]> Signed-off-by: Zefan Li <[email protected]>
cm12-amami · Mar 21, 2016 · db30e30 · db30e30
1 parent 2908d41
commit db30e30
Showing 1 changed file with 0 additions and 1 deletion.
diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
@@ -915,7 +915,6 @@ 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))