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From f971e0cd4a0ebe59fb2e8e17240399bf6901b09b Mon Sep 17 00:00:00 2001
From: "Derald D. Woods" <woods.technical@gmail.com>
Date: Sun, 10 Feb 2019 13:22:19 -0600
Subject: [PATCH] Fix module loading with Linux v5.0-rc5
This commit fixes this module load error:
[...]
[ 29.112091] cryptodev: loading out-of-tree module taints kernel.
[ 29.128906] cryptodev: Unknown symbol crypto_givcipher_type (err -2)
[ 29.188842] cryptodev: Unknown symbol crypto_givcipher_type (err -2)
modprobe: can't load module cryptodev (extra/cryptodev.ko): unknown symbol in module, or unknown parameter
[...]
Upstream Linux support for unused GIVCIPHER, and others, was dropped here:
c79b411eaa72 (crypto: skcipher - remove remnants of internal IV generators)
Signed-off-by: Derald D. Woods <woods.technical@gmail.com>
---
cryptlib.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/cryptlib.c b/cryptlib.c
index 6e66698..4a87037 100644
--- a/cryptlib.c
+++ b/cryptlib.c
@@ -38,7 +38,9 @@
#include "cryptodev_int.h"
#include "cipherapi.h"
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 0, 0))
extern const struct crypto_type crypto_givcipher_type;
+#endif
static void cryptodev_complete(struct crypto_async_request *req, int err)
{
@@ -157,8 +159,11 @@ int cryptodev_cipher_init(struct cipher_data *out, const char *alg_name,
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 8, 0))
tfm = crypto_skcipher_tfm(out->async.s);
- if ((tfm->__crt_alg->cra_type == &crypto_ablkcipher_type) ||
- (tfm->__crt_alg->cra_type == &crypto_givcipher_type)) {
+ if ((tfm->__crt_alg->cra_type == &crypto_ablkcipher_type)
+#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 0, 0))
+ || (tfm->__crt_alg->cra_type == &crypto_givcipher_type)
+#endif
+ ) {
struct ablkcipher_alg *alg;
alg = &tfm->__crt_alg->cra_ablkcipher;
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