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Commit 77bdd9ee authored by Eric Moore's avatar Eric Moore Committed by James Bottomley
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[SCSI] mpt2sas : running out of message frames 



The driver is not freeing message frame when returning failure from
_ctl_do_task_abort.   If you call this function 500 times when its unable
to find an active task mid, you end up with no message frames.

Signed-off-by: default avatarEric Moore <eric.moore@lsi.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 0d04df9b

drivers/scsi/mpt2sas/mpt2sas_ctl.c

+3 −1
Original line number Diff line number Diff line
@@ -714,9 +714,11 @@ _ctl_do_mpt_command(struct MPT2SAS_ADAPTER *ioc, 


		if (tm_request->TaskType ==

		    MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) {

			if (_ctl_do_task_abort(ioc, &karg, tm_request))

			if (_ctl_do_task_abort(ioc, &karg, tm_request)) {

				mpt2sas_base_free_smid(ioc, smid);

				goto out;

			}

		}



		mutex_lock(&ioc->tm_cmds.mutex);

		mpt2sas_scsih_set_tm_flag(ioc, le16_to_cpu(