lkml.org 
[lkml]   [2022]   [Apr]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5.10 042/171] scsi: pm8001: Fix task leak in pm8001_send_abort_all()
Date
From: Damien Le Moal <damien.lemoal@opensource.wdc.com>

[ Upstream commit f90a74892f3acf0cdec5844e90fc8686ca13e7d7 ]

In pm8001_send_abort_all(), make sure to free the allocated sas task
if pm8001_tag_alloc() or pm8001_mpi_build_cmd() fail.

Link: https://lore.kernel.org/r/20220220031810.738362-21-damien.lemoal@opensource.wdc.com
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.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 | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index e0803ce2957b..616e52be817d 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -1711,7 +1711,6 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
}

task = sas_alloc_slow_task(GFP_ATOMIC);
-
if (!task) {
pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
return;
@@ -1720,8 +1719,10 @@ static void pm8001_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;
@@ -1738,8 +1739,10 @@ static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,

ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort,
sizeof(task_abort), 0);
- if (ret)
+ if (ret) {
+ sas_free_task(task);
pm8001_tag_free(pm8001_ha, ccb_tag);
+ }

}

--
2.35.1


\
 
 \ /
  Last update: 2022-04-12 08:38    [W:0.869 / U:1.968 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site