Messages in this thread Patch in this message | | | From | Sasha Levin <> | Subject | [PATCH AUTOSEL 5.11 04/52] scsi: pm80xx: Fix missing tag_free in NVMD DATA req | Date | Tue, 2 Mar 2021 06:54:45 -0500 |
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From: akshatzen <akshatzen@google.com>
[ Upstream commit 5d28026891c7041deec08cc5ddd8f3abd90195e1 ]
Tag was not freed in NVMD get/set data request failure scenario. This caused a tag leak each time a request failed.
Link: https://lore.kernel.org/r/20210109123849.17098-5-Viswas.G@microchip.com Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: akshatzen <akshatzen@google.com> Signed-off-by: Viswas G <Viswas.G@microchip.com> Signed-off-by: Ruksar Devadi <Ruksar.devadi@microchip.com> Signed-off-by: Radha Ramachandran <radha@google.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- 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 c8d4d87c5473..fc721d616f43 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 + * freed 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"); -- 2.30.1
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