[PATCH v3 1/7] KEYS: don't let add_key() update an uninstantiated key

[David Howells]

Eric Biggers <ebiggers3 at gmail.com> wrote:

> +	if ((key->flags & ((1 << KEY_FLAG_INVALIDATED) |
> +			   (1 << KEY_FLAG_REVOKED) |
> +			   (1 << KEY_FLAG_INSTANTIATED))) !=
> +	    (1 << KEY_FLAG_INSTANTIATED)) {

Does this need READ_ONCE(), I wonder?

David
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