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authorHerbert Xu <herbert@gondor.apana.org.au>2018-08-03 17:55:12 +0800
committerHerbert Xu <herbert@gondor.apana.org.au>2018-08-03 17:55:12 +0800
commitc5f5aeef9b55b362ad5a0e04e4b41cd63b208842 (patch)
tree0ee2bb561e879db0a990d998359f6516dff3393b /security/keys
parenta4789089937941959be6c18fa53e1fc0189257fd (diff)
parentc7513c2a2714204d3588ecaa170ae628fd0d217e (diff)
downloadlinux-c5f5aeef9b55b362ad5a0e04e4b41cd63b208842.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux
Merge mainline to pick up c7513c2a2714 ("crypto/arm64: aes-ce-gcm -
add missing kernel_neon_begin/end pair").
Diffstat (limited to 'security/keys')
-rw-r--r--security/keys/dh.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/security/keys/dh.c b/security/keys/dh.c
index 04072cb59a98..711e89d8c415 100644
--- a/security/keys/dh.c
+++ b/security/keys/dh.c
@@ -142,6 +142,8 @@ static void kdf_dealloc(struct kdf_sdesc *sdesc)
  * The src pointer is defined as Z || other info where Z is the shared secret
  * from DH and other info is an arbitrary string (see SP800-56A section
  * 5.8.1.2).
+ *
+ * 'dlen' must be a multiple of the digest size.
  */
 static int kdf_ctr(struct kdf_sdesc *sdesc, const u8 *src, unsigned int slen,
 		   u8 *dst, unsigned int dlen, unsigned int zlen)
@@ -205,8 +207,8 @@ static int keyctl_dh_compute_kdf(struct kdf_sdesc *sdesc,
 {
 	uint8_t *outbuf = NULL;
 	int ret;
-	size_t outbuf_len = round_up(buflen,
-			             crypto_shash_digestsize(sdesc->shash.tfm));
+	size_t outbuf_len = roundup(buflen,
+				    crypto_shash_digestsize(sdesc->shash.tfm));
 
 	outbuf = kmalloc(outbuf_len, GFP_KERNEL);
 	if (!outbuf) {