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| author | Quinn Tran <quinn.tran@cavium.com> | 2017-08-24 00:05:18 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-08-25 04:29:30 +0200 |
| commit | bdbe24de281e2952e6af6eee24bff66bf94b67d1 (patch) | |
| tree | fbac6c485bf23fbd6733df85b15b977a9986a22f | |
| parent | scsi: qla2xxx: Add LR distance support from nvram bit (diff) | |
| download | linux-bdbe24de281e2952e6af6eee24bff66bf94b67d1.tar.xz linux-bdbe24de281e2952e6af6eee24bff66bf94b67d1.zip | |
scsi: qla2xxx: Cleanup NPIV host in target mode during config teardown
When we tear down the NPIV host configuration in target mode, the
qla_tgt struct was left dangling on the global list. This patch cleans
up link list and frees memory.
Signed-off-by: Quinn Tran <quinn.tran@cavium.com>
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_target.c | 11 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_target.h | 1 |
2 files changed, 8 insertions, 4 deletions
diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 4f1621fd5ef2..43113d52893b 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -1528,6 +1528,7 @@ static void qlt_release(struct qla_tgt *tgt) u64 key = 0; u16 i; struct qla_qpair_hint *h; + struct qla_hw_data *ha = vha->hw; if ((vha->vha_tgt.qla_tgt != NULL) && !tgt->tgt_stop && !tgt->tgt_stopped) @@ -1548,12 +1549,18 @@ static void qlt_release(struct qla_tgt *tgt) } } kfree(tgt->qphints); + mutex_lock(&qla_tgt_mutex); + list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry); + mutex_unlock(&qla_tgt_mutex); btree_for_each_safe64(&tgt->lun_qpair_map, key, node) btree_remove64(&tgt->lun_qpair_map, key); btree_destroy64(&tgt->lun_qpair_map); + if (ha->tgt.tgt_ops && ha->tgt.tgt_ops->remove_target) + ha->tgt.tgt_ops->remove_target(vha); + vha->vha_tgt.qla_tgt = NULL; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf00d, @@ -6175,10 +6182,6 @@ int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha) /* free left over qfull cmds */ qlt_init_term_exchange(vha); - mutex_lock(&qla_tgt_mutex); - list_del(&vha->vha_tgt.qla_tgt->tgt_list_entry); - mutex_unlock(&qla_tgt_mutex); - ql_dbg(ql_dbg_tgt, vha, 0xe03c, "Unregistering target for host %ld(%p)", vha->host_no, ha); qlt_release(vha->vha_tgt.qla_tgt); diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index 96fce43e1e46..aba58d3848a6 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -705,6 +705,7 @@ struct qla_tgt_func_tmpl { int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts); int (*chk_dif_tags)(uint32_t tag); void (*add_target)(struct scsi_qla_host *); + void (*remove_target)(struct scsi_qla_host *); }; int qla2x00_wait_for_hba_online(struct scsi_qla_host *); |