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authorMark Brown <broonie@kernel.org>2016-06-29 17:28:16 +0100
committerMark Brown <broonie@kernel.org>2016-06-29 17:28:16 +0100
commit10d832d607c621c101922442f4771737296e1241 (patch)
tree421229d6bb43c301bbf5eb97b11c5901aae66e08 /security/keys/dh.c
parent1a695a905c18548062509178b98bc91e67510864 (diff)
parenta370f60a58ec7bad7045803041524ccdc4d79c75 (diff)
downloadtalos-obmc-linux-10d832d607c621c101922442f4771737296e1241.tar.gz
talos-obmc-linux-10d832d607c621c101922442f4771737296e1241.zip
Merge tag 'ib-mfd-regulator-arm-v4.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into regulator-rn5t618
Immutable branch between MFD, Regulator and ARM, due for v4.8
Diffstat (limited to 'security/keys/dh.c')
-rw-r--r--security/keys/dh.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/security/keys/dh.c b/security/keys/dh.c
index 880505a4b9f1..531ed2ec132f 100644
--- a/security/keys/dh.c
+++ b/security/keys/dh.c
@@ -78,7 +78,8 @@ error:
}
long keyctl_dh_compute(struct keyctl_dh_params __user *params,
- char __user *buffer, size_t buflen)
+ char __user *buffer, size_t buflen,
+ void __user *reserved)
{
long ret;
MPI base, private, prime, result;
@@ -97,6 +98,11 @@ long keyctl_dh_compute(struct keyctl_dh_params __user *params,
goto out;
}
+ if (reserved) {
+ ret = -EINVAL;
+ goto out;
+ }
+
keylen = mpi_from_key(pcopy.prime, buflen, &prime);
if (keylen < 0 || !prime) {
/* buflen == 0 may be used to query the required buffer size,
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