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authorKees Cook <keescook@chromium.org>2018-09-18 19:10:45 -0700
committerHerbert Xu <herbert@gondor.apana.org.au>2018-09-28 12:46:07 +0800
commit69d6302b65a83ce04720158f3f6fc2c9fb46c941 (patch)
tree4fcfe7ca7fcf53a5ab5a6d22044024570ac6c415 /net/ceph/crypto.h
parentdc568baf9bd1d455de81a18bb68d555a3a9edc3f (diff)
downloadlinux-69d6302b65a83ce04720158f3f6fc2c9fb46c941.tar.gz
libceph: Remove VLA usage of skcipher
In the quest to remove all stack VLA usage from the kernel[1], this
replaces struct crypto_skcipher and SKCIPHER_REQUEST_ON_STACK() usage
with struct crypto_sync_skcipher and SYNC_SKCIPHER_REQUEST_ON_STACK(),
which uses a fixed stack size.

[1] https://lkml.kernel.org/r/CA+55aFzCG-zNmZwX4A2FQpadafLfEzK6CC=qPXydAacU1RqZWA@mail.gmail.com

Cc: Ilya Dryomov <idryomov@gmail.com>
Cc: "Yan, Zheng" <zyan@redhat.com>
Cc: Sage Weil <sage@redhat.com>
Cc: ceph-devel@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'net/ceph/crypto.h')
-rw-r--r--net/ceph/crypto.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
index bb45c7d43739..96ef4d860bc9 100644
--- a/net/ceph/crypto.h
+++ b/net/ceph/crypto.h
@@ -13,7 +13,7 @@ struct ceph_crypto_key {
 	struct ceph_timespec created;
 	int len;
 	void *key;
-	struct crypto_skcipher *tfm;
+	struct crypto_sync_skcipher *tfm;
 };
 
 int ceph_crypto_key_clone(struct ceph_crypto_key *dst,