udf: fix ioctl errors
authorFabian Frederick <fabf@skynet.be>
Tue, 24 Jan 2017 20:48:34 +0000 (21:48 +0100)
committerJan Kara <jack@suse.cz>
Fri, 3 Feb 2017 15:19:54 +0000 (16:19 +0100)
commit782deb2eecc018bfa278f7453f367e01f5479ccb
treeb4887a5da794933bf397b1ce3ab8411d76556337
parent70f16cef06b5bf72d50b8016e1188995eddc073a
udf: fix ioctl errors

Currently, lsattr for instance in udf directory gives
"udf: Invalid argument While reading flags on ..."

This patch returns -ENOIOCTLCMD
when command is unknown to have more accurate message like this:
"Inappropriate ioctl for device While reading flags on ..."

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jan Kara <jack@suse.cz>
fs/udf/file.c