Commit 846d2db3 authored by Eric Biggers's avatar Eric Biggers Committed by Linus Torvalds

keys: ensure that ->match_free() is called in request_key_and_link()

If check_cached_key() returns a non-NULL value, we still need to call
key_type::match_free() to undo key_type::match_preparse().

Fixes: 7743c48e ("keys: Cache result of request_key*() temporarily in task_struct")
Signed-off-by: default avatarEric Biggers <ebiggers@google.com>
Signed-off-by: default avatarDavid Howells <dhowells@redhat.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent e8d6766f
......@@ -595,7 +595,7 @@ struct key *request_key_and_link(struct key_type *type,
key = check_cached_key(&ctx);
if (key)
return key;
goto error_free;
/* search all the process keyrings for a key */
rcu_read_lock();
......
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