commit 4edabfd7d0f7d39eeda8ffac76d9e884c22951d9
author Pan Bian <bianpan2016@163.com> Sun Apr 23 14:49:41 2017 +0800
committer Trond Myklebust <trond.myklebust@primarydata.com> Fri Apr 28 13:06:59 2017 -0400
tree df89653068ba714a55f6e4429dc7269e1588a9d6
parent 209aa2308365387bc03905b7b4bb36c52ea1e696

NFSv4: check return value of xdr_inline_decode

Function xdr_inline_decode() will return a NULL pointer if the input
buffer does not have long enough buffer to decode nbytes of data.
However, in function decode_op_map(), the return value of
xdr_inline_decode() is not validated before it is used. This patch adds
a check to the return value of xdr_inline_decode().

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>