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| author | David Howells <dhowells@redhat.com> | 2011-03-07 15:05:51 +0000 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-03-08 11:17:11 +1100 |
| commit | 633e804e89464d3875e59de1959a53f9041d3094 (patch) | |
| tree | 0a2464267c5f7a4e8166771fdc88e181a5b6219a /security/keys/trusted.c | |
| parent | 1cc26bada9f6807814806db2f0d78792eecdac71 (diff) | |
| download | linux-633e804e89464d3875e59de1959a53f9041d3094.tar.gz linux-633e804e89464d3875e59de1959a53f9041d3094.tar.bz2 linux-633e804e89464d3875e59de1959a53f9041d3094.zip | |
KEYS: Add an RCU payload dereference macro
Add an RCU payload dereference macro as this seems to be a common piece of code
amongst key types that use RCU referenced payloads.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Mimi Zohar <zohar@us.ibm.com>
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security/keys/trusted.c')
| -rw-r--r-- | security/keys/trusted.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/security/keys/trusted.c b/security/keys/trusted.c index 83fc92e297cd..c99b9368368c 100644 --- a/security/keys/trusted.c +++ b/security/keys/trusted.c @@ -1076,8 +1076,7 @@ static long trusted_read(const struct key *key, char __user *buffer, char *bufp; int i; - p = rcu_dereference_protected(key->payload.data, - rwsem_is_locked(&((struct key *)key)->sem)); + p = rcu_dereference_key(key); if (!p) return -EINVAL; if (!buffer || buflen <= 0) |