tree c5d85478fb2c7245a819b707adc7fca2b926b4c3
parent 382436f8804fe1cb20b9a2a811a10eb2d8554721
author Jörn Engel <joern@logfs.org> 1329342731 -0500
committer Nicholas Bellinger <nab@linux-iscsi.org> 1330209470 -0800

target: prevent NULL pointer dereference in target_report_luns

transport_kmap_data_sg can return NULL.  I never saw this trigger, but
returning -ENOMEM seems better than a crash.  Also removes a pointless
case while at it.

Signed-off-by: Joern Engel <joern@logfs.org>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>