[PATCH 4.9 131/206] relay: check array offset before using it

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Dan Carpenter commit 9a29d0fbc2d9ad99fb8a981ab72548cc360e9d4c upstream. Smatch complains that we started using the array offset before we checked that it was valid.

[PATCH 4.9 131/206] relay: check array offset before using it

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Dan Carpenter commit 9a29d0fbc2d9ad99fb8a981ab72548cc360e9d4c upstream. Smatch complains that we started using the array offset before we checked that it was valid. Fixes: 017c59c042d0