tree c419893a73f1c4392e9d1acbff3bf7dfc56c5df0
parent bc7e380a6a4c94f79a49c36bdb28062a750b3c2b
author FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> 1172883355 +0900
committer James Bottomley <jejb@mulgrave.il.steeleye.com> 1173631179 -0500

[SCSI] tgt: fix scsi command leak

The failure to map user-space pages leads to scsi command leak. It can
happens mostly because of user-space daemon bugs (or OOM). This patch
makes tgt just notify a LLD of the failure with sense when
blk_rq_map_user() fails.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>