tree 7c795afa6508a539cf1d784cb3858db2dcbf9e0d
parent f4bc80f5a51d6fe6f3c31c6e22e5dd410e4651a8
author Taeung Song <treeze.taeung@gmail.com> 1530711398 +0900
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1535109156 +0200

samples/bpf: Check the error of write() and read()

[ Upstream commit 02a2f000a3629274bfad60bfc4de9edec49e63e7 ]

test_task_rename() and test_urandom_read()
can be failed during write() and read(),
So check the result of them.

Reviewed-by: David Laight <David.Laight@ACULAB.COM>
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>