diff options
| author | Eric Biggers <ebiggers@google.com> | 2017-09-21 22:57:42 +0200 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2017-09-25 16:19:57 +0200 |
| commit | e007ce9c59bddd1e67b94bc29036d920f5c5428a (patch) | |
| tree | 19bbe9dc2f0df9bc1c423a9e01c9383627aeb18e /security | |
| parent | KEYS: restrict /proc/keys by credentials at open time (diff) | |
| download | linux-e007ce9c59bddd1e67b94bc29036d920f5c5428a.tar.xz linux-e007ce9c59bddd1e67b94bc29036d920f5c5428a.zip | |
KEYS: use kmemdup() in request_key_auth_new()
kmemdup() is preferred to kmalloc() followed by memcpy().
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'security')
| -rw-r--r-- | security/keys/request_key_auth.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/security/keys/request_key_auth.c b/security/keys/request_key_auth.c index e356075ed2f8..6ebf1af8fce9 100644 --- a/security/keys/request_key_auth.c +++ b/security/keys/request_key_auth.c @@ -163,9 +163,10 @@ struct key *request_key_auth_new(struct key *target, const void *callout_info, rka = kzalloc(sizeof(*rka), GFP_KERNEL); if (!rka) goto error; - rka->callout_info = kmalloc(callout_len, GFP_KERNEL); + rka->callout_info = kmemdup(callout_info, callout_len, GFP_KERNEL); if (!rka->callout_info) goto error_free_rka; + rka->callout_len = callout_len; /* see if the calling process is already servicing the key request of * another process */ @@ -196,8 +197,6 @@ struct key *request_key_auth_new(struct key *target, const void *callout_info, rka->target_key = key_get(target); rka->dest_keyring = key_get(dest_keyring); - memcpy(rka->callout_info, callout_info, callout_len); - rka->callout_len = callout_len; /* allocate the auth key */ sprintf(desc, "%x", target->serial); |