tree 4ba32c1aad16a4bf1573a2f6b15d749b04a5eb42
parent 9d6c8711b6a751a694bcfaf49fb557b82092ee46
author Eric Biggers <ebiggers@google.com> 1506541846 -0700
committer David Howells <dhowells@redhat.com> 1508314361 +0100

KEYS: load key flags and expiry time atomically in proc_keys_show()

In proc_keys_show(), the key semaphore is not held, so the key ->flags
and ->expiry can be changed concurrently.  We therefore should read them
atomically just once.

Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: David Howells <dhowells@redhat.com>