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| author | Ingo Molnar <mingo@elte.hu> | 2010-05-07 11:30:29 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-07 11:30:30 +0200 |
| commit | cce913178118b0b36742eb7544c2b38a0c957ee7 (patch) | |
| tree | 25a6d7b4e01fea2932e6e2962a75f7a3d8c19a4f /security/keys/user_defined.c | |
| parent | d9f599e1e6d019968b35d2dc63074b9e8964fa69 (diff) | |
| parent | 4fd38e4595e2f6c9d27732c042a0e16b2753049c (diff) | |
| download | linux-next-cce913178118b0b36742eb7544c2b38a0c957ee7.tar.gz linux-next-cce913178118b0b36742eb7544c2b38a0c957ee7.zip | |
Merge branch 'perf/urgent' into perf/core
Merge reason: Resolve patch dependency
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 */ |