summaryrefslogtreecommitdiff
path: root/drivers/scsi/qla2xxx
diff options
context:
space:
mode:
authorGiridhar Malavali <giridhar.malavali@qlogic.com>2011-11-18 17:03:08 (GMT)
committerJames Bottomley <JBottomley@Parallels.com>2011-12-15 06:55:02 (GMT)
commitc4631191c44de9567ac5376e6a7f4a244c2283bc (patch)
treea3e12ef92fb4d2f0177158b71d47f88d85dbfea1 /drivers/scsi/qla2xxx
parentcfb0919c12a33132f75fb91971bbd8bdd44ebb90 (diff)
downloadlinux-fsl-qoriq-c4631191c44de9567ac5376e6a7f4a244c2283bc.tar.xz
[SCSI] qla2xxx: Proper cleanup of pass through commands when firmware returns error.
[jejb: fixed up checkpatch and casting errors] Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c73
-rw-r--r--drivers/scsi/qla2xxx/qla_os.c19
2 files changed, 61 insertions, 31 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index b6023e9..6426c7e 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -1895,6 +1895,45 @@ qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
}
}
+static int
+qla2x00_free_sp_ctx(scsi_qla_host_t *vha, srb_t *sp)
+{
+ struct qla_hw_data *ha = vha->hw;
+ struct srb_ctx *ctx;
+
+ if (!sp->ctx)
+ return 1;
+
+ ctx = sp->ctx;
+
+ if (ctx->type == SRB_LOGIN_CMD ||
+ ctx->type == SRB_LOGOUT_CMD ||
+ ctx->type == SRB_TM_CMD) {
+ ctx->u.iocb_cmd->done(sp);
+ return 0;
+ } else if (ctx->type == SRB_ADISC_CMD) {
+ ctx->u.iocb_cmd->free(sp);
+ return 0;
+ } else {
+ struct fc_bsg_job *bsg_job;
+
+ bsg_job = ctx->u.bsg_job;
+ if (ctx->type == SRB_ELS_CMD_HST ||
+ ctx->type == SRB_CT_CMD)
+ kfree(sp->fcport);
+
+ bsg_job->reply->reply_data.ctels_reply.status =
+ FC_CTELS_STATUS_OK;
+ bsg_job->reply->result = DID_ERROR << 16;
+ bsg_job->reply->reply_payload_rcv_len = 0;
+ kfree(sp->ctx);
+ mempool_free(sp, ha->srb_mempool);
+ bsg_job->job_done(bsg_job);
+ return 0;
+ }
+ return 1;
+}
+
/**
* qla2x00_error_entry() - Process an error entry.
* @ha: SCSI driver HA context
@@ -1905,7 +1944,7 @@ qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
{
srb_t *sp;
struct qla_hw_data *ha = vha->hw;
- uint32_t handle = LSW(pkt->handle);
+ const char func[] = "ERROR-IOCB";
uint16_t que = MSW(pkt->handle);
struct req_que *req = ha->req_q_map[que];
@@ -1928,28 +1967,20 @@ qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt)
ql_dbg(ql_dbg_async, vha, 0x502f,
"UNKNOWN flag error.\n");
- /* Validate handle. */
- if (handle < MAX_OUTSTANDING_COMMANDS)
- sp = req->outstanding_cmds[handle];
- else
- sp = NULL;
-
+ sp = qla2x00_get_sp_from_handle(vha, func, req, pkt);
if (sp) {
- /* Free outstanding command slot. */
- req->outstanding_cmds[handle] = NULL;
-
- /* Bad payload or header */
- if (pkt->entry_status &
- (RF_INV_E_ORDER | RF_INV_E_COUNT |
- RF_INV_E_PARAM | RF_INV_E_TYPE)) {
- sp->cmd->result = DID_ERROR << 16;
- } else if (pkt->entry_status & RF_BUSY) {
- sp->cmd->result = DID_BUS_BUSY << 16;
- } else {
- sp->cmd->result = DID_ERROR << 16;
+ if (qla2x00_free_sp_ctx(vha, sp)) {
+ if (pkt->entry_status &
+ (RF_INV_E_ORDER | RF_INV_E_COUNT |
+ RF_INV_E_PARAM | RF_INV_E_TYPE)) {
+ sp->cmd->result = DID_ERROR << 16;
+ } else if (pkt->entry_status & RF_BUSY) {
+ sp->cmd->result = DID_BUS_BUSY << 16;
+ } else {
+ sp->cmd->result = DID_ERROR << 16;
+ }
+ qla2x00_sp_compl(ha, sp);
}
- qla2x00_sp_compl(ha, sp);
-
} else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type ==
COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7
|| pkt->entry_type == COMMAND_TYPE_6) {
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index ae1699f..c9a7452 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -3690,16 +3690,6 @@ qla2x00_sp_free_dma(srb_t *sp)
sp->flags &= ~SRB_CRC_CTX_DMA_VALID;
}
- CMD_SP(cmd) = NULL;
-}
-
-static void
-qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
-{
- struct scsi_cmnd *cmd = sp->cmd;
-
- qla2x00_sp_free_dma(sp);
-
if (sp->flags & SRB_FCP_CMND_DMA_VALID) {
struct ct6_dsd *ctx = sp->ctx;
dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd,
@@ -3711,6 +3701,15 @@ qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
sp->ctx = NULL;
}
+ CMD_SP(cmd) = NULL;
+}
+
+static void
+qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp)
+{
+ struct scsi_cmnd *cmd = sp->cmd;
+
+ qla2x00_sp_free_dma(sp);
mempool_free(sp, ha->srb_mempool);
cmd->scsi_done(cmd);
}