tree 1b782806420f6859db391612ed9ac6fcfac2c6e7
parent 7bf2e83e9d1bd97c2144480ecd70d0aa06685681
author Pierre Habouzit <phabouzit@apple.com> 1500075846 -0700
committer Daniel A. Steffen <das@apple.com> 1501534569 -0700

the buffer size ioctls on linux return EINVAL when it's not supported

Make sure we don't keep doing these syscalls and log stupid errors about
it failing forever.

Signed-off-by: Daniel A. Steffen <dsteffen@apple.com>