sg: fix read() error reporting

commit 3b524a683a upstream.

Fix SCSI generic read() incorrectly returning success after detecting an
error.

Signed-off-by: Tony Battersby <tonyb@cybernetics.com>
Acked-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
This commit is contained in:
Tony Battersby 2015-02-11 11:32:06 -05:00 • committed by Luis Henriques
commit 2b8a5d91fc