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author | Al Viro <viro@zeniv.linux.org.uk> | 2016-06-30 23:34:49 -0400 |
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committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-06-30 23:34:49 -0400 |
commit | b223f4e215b32849b841e750e83a915b670070f5 (patch) | |
tree | 75340f6305028de331a17255018869822b3886d2 /security/keys/dh.c | |
parent | f4e6d844bdc142322905d137a9e44e07eee43c5c (diff) | |
parent | 0cac643c102c0632dc2cc81e2490b0fec1cac0af (diff) | |
download | blackbird-op-linux-b223f4e215b32849b841e750e83a915b670070f5.tar.gz blackbird-op-linux-b223f4e215b32849b841e750e83a915b670070f5.zip |
Merge branch 'd_real' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/vfs into work.misc
Diffstat (limited to 'security/keys/dh.c')
-rw-r--r-- | security/keys/dh.c | 8 |
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, |