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| author |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-05-19 10:12:41 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-05-19 10:12:41 -0700 |
| commit | 8d0bc2b456103a34c11e01305cd1aed1cde579e5 (patch) | |
| tree | 5e1e6ad55cc9e2b5c5617f6f320114b8cff9e3f3 /security/keys/user_defined.c | |
| parent | Input: add keypad driver for keys interfaced to TCA6416 (diff) | |
| parent | Linus 2.6.34 (diff) | |
| download | linux-dev-8d0bc2b456103a34c11e01305cd1aed1cde579e5.tar.xz linux-dev-8d0bc2b456103a34c11e01305cd1aed1cde579e5.zip | |
Merge commit 'v2.6.34' into next
Diffstat (limited to 'security/keys/user_defined.c')
| -rw-r--r-- | security/keys/user_defined.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/security/keys/user_defined.c b/security/keys/user_defined.c index 7c687d568221..e9aa07929656 100644 --- a/security/keys/user_defined.c +++ b/security/keys/user_defined.c @@ -199,7 +199,8 @@ long user_read(const struct key *key, char __user *buffer, size_t buflen) struct user_key_payload *upayload; long ret; - upayload = rcu_dereference(key->payload.data); + upayload = rcu_dereference_protected( + key->payload.data, rwsem_is_locked(&((struct key *)key)->sem)); ret = upayload->datalen; /* we can return the data as is */ |