pnfs/blocklayout: reject too long signatures

Instead of overwriting kernel memory reject too long signatures.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
This commit is contained in:
Christoph Hellwig 2015-08-17 18:40:59 +02:00 • committed by Trond Myklebust
commit 2bd3c63a33