CRED: Fix __task_cred()'s lockdep check and banner comment

[sfrench/cifs-2.6.git] / Documentation / credentials.txt

diff --git a/Documentation/credentials.txt b/Documentation/credentials.txt
index a2db352870036ba062aa177ce450d0d491f7d8c8..995baf379c076770962a84268fde19b527caa0be 100644 (file)
--- a/Documentation/credentials.txt
+++ b/Documentation/credentials.txt
@@ -417,6 +417,9 @@ reference on them using:
 This does all the RCU magic inside of it.  The caller must call put_cred() on
 the credentials so obtained when they're finished with.
 
+ [*] Note: The result of __task_cred() should not be passed directly to
+     get_cred() as this may race with commit_cred().
+
 There are a couple of convenience functions to access bits of another task's
 credentials, hiding the RCU magic from the caller: