diff mbox series

[v4,21/31] scsi: pm8001: Fix task leak in pm8001_send_abort_all()

Message ID 20220217132956.484818-22-damien.lemoal@opensource.wdc.com
State Superseded
Headers show
Series libsas and pm8001 fixes | expand

Commit Message

Damien Le Moal Feb. 17, 2022, 1:29 p.m. UTC 
In pm8001_send_abort_all(), make sure to free the allocated sas task
if pm8001_tag_alloc() or pm8001_mpi_build_cmd() fail.

Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
---
 drivers/scsi/pm8001/pm8001_hwi.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

Comments

John Garry Feb. 17, 2022, 5:42 p.m. UTC | #1 
On 17/02/2022 13:29, Damien Le Moal wrote:
> In pm8001_send_abort_all(), make sure to free the allocated sas task
> if pm8001_tag_alloc() or pm8001_mpi_build_cmd() fail.
> 
> Signed-off-by: Damien Le Moal<damien.lemoal@opensource.wdc.com>

Reviewed-by: John Garry <john.garry@huawei.com>
diff mbox series

Patch

diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c
index 3dc628b0384d..cc96e58454c8 100644
--- a/drivers/scsi/pm8001/pm8001_hwi.c
+++ b/drivers/scsi/pm8001/pm8001_hwi.c
@@ -1764,7 +1764,6 @@  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;
@@ -1773,8 +1772,10 @@  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;
@@ -1791,8 +1792,10 @@  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);
+	}
 
 }