[PATCH 3.16.y-ckt 126/185] crush: fix a bug in tree bucket decode

3.16.7-ckt15 -stable review patch. If anyone has any objections, please let me know. -- From: Ilya Dryomov commit 82cd003a77173c91b9acad8033fb7931dac8d751 upstream. struct crush_bucket_tree::num_nodes is u8, so ceph_decode_8_safe() should be used. -Wconversion catches this,

[PATCH 3.16.y-ckt 126/185] crush: fix a bug in tree bucket decode

3.16.7-ckt15 -stable review patch. If anyone has any objections, please let me know. -- From: Ilya Dryomov idryo...@gmail.com commit 82cd003a77173c91b9acad8033fb7931dac8d751 upstream. struct crush_bucket_tree::num_nodes is u8, so ceph_decode_8_safe() should be used.