tree bd2abe8f6e2929335e9326afa56f06102386c224
parent 67e808fbb0404a12d9b9830a44bbb48d447d8bc9
author Al Viro <viro@zeniv.linux.org.uk> 1436041059 -0400
committer Al Viro <viro@zeniv.linux.org.uk> 1436041059 -0400

9p: cope with bogus responses from server in p9_client_{read,write}

if server claims to have written/read more than we'd told it to,
warn and cap the claimed byte count to avoid advancing more than
we are ready to.