[PATCH v2 4/8] pm80xx: fix missing tag_free in NVMD DATA req
From: Viswas G <hidden>
Date: 2021-01-09 12:30:26
Subsystem:
pmc sierra pm8001 driver, scsi subsystem, the rest · Maintainers:
Jack Wang, "James E.J. Bottomley", "Martin K. Petersen", Linus Torvalds
From: akshatzen <redacted> Tag is not free'd in NVMD get/set data request failure scenario, which would have caused tag leak each time the request fails. Signed-off-by: akshatzen <redacted> Signed-off-by: Viswas G <redacted> Signed-off-by: Ruksar Devadi <redacted> Signed-off-by: Radha Ramachandran <redacted> Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com> --- drivers/scsi/pm8001/pm8001_hwi.c | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index f147193d67bd..9cd6a654f8b2 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c@@ -3038,8 +3038,8 @@ void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) complete(pm8001_ha->nvmd_completion); pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n"); if ((dlen_status & NVMD_STAT) != 0) { - pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error!\n"); - return; + pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error %x\n", + dlen_status); } ccb->task = NULL; ccb->ccb_tag = 0xFFFFFFFF;
@@ -3062,11 +3062,17 @@ pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) pm8001_dbg(pm8001_ha, MSG, "Get nvm data complete!\n"); if ((dlen_status & NVMD_STAT) != 0) { - pm8001_dbg(pm8001_ha, FAIL, "Get nvm data error!\n"); + pm8001_dbg(pm8001_ha, FAIL, "Get nvm data error %x\n", + dlen_status); complete(pm8001_ha->nvmd_completion); + /* We should free tag during failure also, the tag is not being + * free'd by requesting path anywhere. + */ + ccb->task = NULL; + ccb->ccb_tag = 0xFFFFFFFF; + pm8001_tag_free(pm8001_ha, tag); return; } - if (ir_tds_bn_dps_das_nvm & IPMode) { /* indirect mode - IR bit set */ pm8001_dbg(pm8001_ha, MSG, "Get NVMD success, IR=1\n");
--
2.16.3