tree e3740b8ca23f80f042b566b97f67bb8f634f0f5e
parent 1b7f390eb3bfc197c979c5478eadbc2a90f07667
author Hannes Reinecke <hare@suse.de> 1360158148 +0100
committer Nicholas Bellinger <nab@linux-iscsi.org> 1360785269 -0800

target_core_rd: break out unterminated loop during copy

The loop in rd_execute_rw() will never terminate if the
sg element has a zero size. Or it'll spill over into
outer space if the sg element is larger than the available
space.
So we need to add some safety catches here.

Cc: Nic Bellinger <nab@risingtidesystems.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>