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authorRusty Russell <rusty@rustcorp.com.au>2008-12-30 08:02:35 +1030
committerRusty Russell <rusty@rustcorp.com.au>2008-12-30 08:02:35 +1030
commit33edcf133ba93ecba2e4b6472e97b689895d805c (patch)
tree327d7a20acef64005e7c5ccbfa1265be28aeb6ac /security/keys/proc.c
parentbe4d638c1597580ed2294d899d9f1a2cd10e462c (diff)
parent3c92ec8ae91ecf59d88c798301833d7cf83f2179 (diff)
downloadblackbird-op-linux-33edcf133ba93ecba2e4b6472e97b689895d805c.tar.gz
blackbird-op-linux-33edcf133ba93ecba2e4b6472e97b689895d805c.zip
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'security/keys/proc.c')
-rw-r--r--security/keys/proc.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/security/keys/proc.c b/security/keys/proc.c
index f619170da760..7f508def50e3 100644
--- a/security/keys/proc.c
+++ b/security/keys/proc.c
@@ -136,8 +136,12 @@ static int proc_keys_show(struct seq_file *m, void *v)
int rc;
/* check whether the current task is allowed to view the key (assuming
- * non-possession) */
- rc = key_task_permission(make_key_ref(key, 0), current, KEY_VIEW);
+ * non-possession)
+ * - the caller holds a spinlock, and thus the RCU read lock, making our
+ * access to __current_cred() safe
+ */
+ rc = key_task_permission(make_key_ref(key, 0), current_cred(),
+ KEY_VIEW);
if (rc < 0)
return 0;
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