diff options
author | David S. Miller <davem@davemloft.net> | 2009-04-13 14:41:05 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-04-13 14:41:05 -0700 |
commit | 83400207a07584539366f6859362db6872809a12 (patch) | |
tree | fad187f8b3bebf1b387ec42ef8143e6f4e49a256 /security/keys/request_key.c | |
parent | 0d489ffb76de0fe804cf06a9d4d11fa7342d74b9 (diff) | |
parent | 80a04d3f2f94fb68b5df05e3ac6697130bc3467a (diff) |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
MAINTAINERS
Diffstat (limited to 'security/keys/request_key.c')
-rw-r--r-- | security/keys/request_key.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/security/keys/request_key.c b/security/keys/request_key.c index 22a31582bfa..03fe63ed55b 100644 --- a/security/keys/request_key.c +++ b/security/keys/request_key.c @@ -311,7 +311,8 @@ static int construct_alloc_key(struct key_type *type, set_bit(KEY_FLAG_USER_CONSTRUCT, &key->flags); - down_write(&dest_keyring->sem); + if (dest_keyring) + down_write(&dest_keyring->sem); /* attach the key to the destination keyring under lock, but we do need * to do another check just in case someone beat us to it whilst we @@ -322,10 +323,12 @@ static int construct_alloc_key(struct key_type *type, if (!IS_ERR(key_ref)) goto key_already_present; - __key_link(dest_keyring, key); + if (dest_keyring) + __key_link(dest_keyring, key); mutex_unlock(&key_construction_mutex); - up_write(&dest_keyring->sem); + if (dest_keyring) + up_write(&dest_keyring->sem); mutex_unlock(&user->cons_lock); *_key = key; kleave(" = 0 [%d]", key_serial(key)); |