1 files changed, 0 insertions, 76 deletions
diff --git a/backport/compat/backport-4.2.c b/backport/compat/backport-4.2.c
deleted file mode 100644
index b275d349..00000000
--- a/backport/compat/backport-4.2.c
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (c) 2015  Hauke Mehrtens <hauke@hauke-m.de>
- *
- * Backport functionality introduced in Linux 4.2.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#include <crypto/scatterwalk.h>
-#include <crypto/aead.h>
-
-static struct scatterlist *scatterwalk_ffwd(struct scatterlist dst[2],
-					    struct scatterlist *src,
-					    unsigned int len)
-{
-	for (;;) {
-		if (!len)
-			return src;
-
-		if (src->length > len)
-			break;
-
-		len -= src->length;
-		src = sg_next(src);
-	}
-
-	sg_init_table(dst, 2);
-	sg_set_page(dst, sg_page(src), src->length - len, src->offset + len);
-	scatterwalk_crypto_chain(dst, sg_next(src), 0, 2);
-
-	return dst;
-}
-
-struct aead_old_request {
-	struct scatterlist srcbuf[2];
-	struct scatterlist dstbuf[2];
-	struct aead_request subreq;
-};
-
-unsigned int crypto_aead_reqsize(struct crypto_aead *tfm)
-{
-	return crypto_aead_crt(tfm)->reqsize + sizeof(struct aead_old_request);
-}
-EXPORT_SYMBOL_GPL(crypto_aead_reqsize);
-
-struct aead_request *crypto_backport_convert(struct aead_request *req)
-{
-	struct aead_old_request *nreq = aead_request_ctx(req);
-	struct crypto_aead *aead = crypto_aead_reqtfm(req);
-	struct scatterlist *src, *dst;
-
-	src = scatterwalk_ffwd(nreq->srcbuf, req->src, req->assoclen);
-	dst = req->src == req->dst ?
-	      src : scatterwalk_ffwd(nreq->dstbuf, req->dst, req->assoclen);
-
-	aead_request_set_tfm(&nreq->subreq, aead);
-	aead_request_set_callback(&nreq->subreq, aead_request_flags(req),
-				  req->base.complete, req->base.data);
-	aead_request_set_crypt(&nreq->subreq, src, dst, req->cryptlen,
-			       req->iv);
-	aead_request_set_assoc(&nreq->subreq, req->src, req->assoclen);
-
-	return &nreq->subreq;
-}
-EXPORT_SYMBOL_GPL(crypto_backport_convert);
-
-char *strreplace(char *s, char old, char new)
-{
-	for (; *s; ++s)
-		if (*s == old)
-			*s = new;
-	return s;
-}
-EXPORT_SYMBOL_GPL(strreplace);