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| author |   Tomas Henzl <thenzl@redhat.com> | 2014-07-09 17:20:49 +0530 |
|---|---|---|
| committer |   Christoph Hellwig <hch@lst.de> | 2014-07-25 17:17:04 -0400 |
| commit | 5533abca06e07121697ed1d30863ce03e7c518e5 (patch) | |
| tree | dbd493cbf4a526f5aeb1472e5cac2475763fe598 /drivers/scsi/pm8001/pm80xx_hwi.c | |
| parent | pm8001: clean bitmap management functions (diff) | |
| download | linux-dev-5533abca06e07121697ed1d30863ce03e7c518e5.tar.xz linux-dev-5533abca06e07121697ed1d30863ce03e7c518e5.zip | |
pm8001: honor return value
The driver ignores the return value in a lot of places, fix
it at least somewhere (and release the resources in such cases),
to avoid that bad things happen.
Signed-off-by: Tomas Henzl <thenzl@redhat.com>
Acked-by: Suresh Thiagarajan <Suresh.Thiagarajan@pmcs.com>
Acked-by: Jack Wang <xjtuwjp@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/pm8001/pm80xx_hwi.c')
| -rw-r--r-- | drivers/scsi/pm8001/pm80xx_hwi.c | 42 |
1 files changed, 33 insertions, 9 deletions
diff --git a/drivers/scsi/pm8001/pm80xx_hwi.c b/drivers/scsi/pm8001/pm80xx_hwi.c index d70587f96184..c711a769d23e 100644 --- a/drivers/scsi/pm8001/pm80xx_hwi.c +++ b/drivers/scsi/pm8001/pm80xx_hwi.c @@ -856,6 +856,8 @@ pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha) payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); return rc; } @@ -936,6 +938,8 @@ pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha) sizeof(SASProtocolTimerConfig_t)); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); return rc; } @@ -1059,6 +1063,8 @@ static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha) KEK_MGMT_SUBOP_KEYCARDUPDATE); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); return rc; } @@ -1383,8 +1389,10 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha, task->task_done = pm8001_task_done; res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); - if (res) + if (res) { + sas_free_task(task); return; + } ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_ha_dev; @@ -1399,7 +1407,10 @@ static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha, task_abort.tag = cpu_to_le32(ccb_tag); ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0); - + if (ret) { + sas_free_task(task); + pm8001_tag_free(pm8001_ha, ccb_tag); + } } static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, @@ -1426,6 +1437,7 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, res = pm8001_tag_alloc(pm8001_ha, &ccb_tag); if (res) { + sas_free_task(task); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot allocate tag !!!\n")); return; @@ -1436,15 +1448,16 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, */ dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC); if (!dev) { + sas_free_task(task); + pm8001_tag_free(pm8001_ha, ccb_tag); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Domain device cannot be allocated\n")); - sas_free_task(task); return; - } else { - task->dev = dev; - task->dev->lldd_dev = pm8001_ha_dev; } + task->dev = dev; + task->dev->lldd_dev = pm8001_ha_dev; + ccb = &pm8001_ha->ccb_info[ccb_tag]; ccb->device = pm8001_ha_dev; ccb->ccb_tag = ccb_tag; @@ -1469,7 +1482,11 @@ static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha, memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis)); res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0); - + if (res) { + sas_free_task(task); + pm8001_tag_free(pm8001_ha, ccb_tag); + kfree(dev); + } } /** @@ -3815,7 +3832,10 @@ static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha, build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd, pm8001_ha->smp_exp_mode, length); - pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, (u32 *)&smp_cmd, 0); + rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, + (u32 *)&smp_cmd, 0); + if (rc) + goto err_out_2; return 0; err_out_2: @@ -4406,6 +4426,8 @@ static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha, SAS_ADDR_SIZE); rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); return rc; } @@ -4484,7 +4506,9 @@ void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha, payload.reserved[j] = cpu_to_le32(*((u32 *)buf + i)); j++; } - pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0); + rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0); + if (rc) + pm8001_tag_free(pm8001_ha, tag); } void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha, |