[PATCH 1/7] habanalabs: missing mutex_unlock in process kill procedure

From: Oded Gabbay
Date: Sun Jul 11 2021 - 08:54:32 EST


From: Ofir Bitton <obitton@xxxxxxxxx>

missing mutex unlock once driver is giving up killing user processes.

Signed-off-by: Ofir Bitton <obitton@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
---
drivers/misc/habanalabs/common/device.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index 86426052a191..28fe15a28361 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/drivers/misc/habanalabs/common/device.c
@@ -822,6 +822,7 @@ static int device_kill_open_processes(struct hl_device *hdev, u32 timeout)
} else {
dev_warn(hdev->dev,
"Can't get task struct for PID so giving up on killing process\n");
+ mutex_unlock(&hdev->fpriv_list_lock);
return -ETIME;
}
}
--
2.25.1