[PATCH 1/3] habanalabs: avoid using uninitialized pointer

[Oded Gabbay]

From: Ohad Sharabi <osharabi@xxxxxxxxx>

When attempting to read FW component's version we should break if input
FW component is invalid in order to avoid using uninitialized
destination pointer.

Signed-off-by: Ohad Sharabi <osharabi@xxxxxxxxx>
Reviewed-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
Signed-off-by: Oded Gabbay <ogabbay@xxxxxxxxxx>
---
 drivers/misc/habanalabs/common/firmware_if.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index 5ab755a2e95f..ad9bfa096bf9 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -1565,6 +1565,7 @@ static void hl_fw_dynamic_read_device_fw_version(struct hl_device *hdev,
 		break;
 	default:
 		dev_warn(hdev->dev, "Undefined FW component: %d\n", fwc);
+		return;
 	}
 
 	strscpy(dest, fw_version, VERSION_MAX_LEN);
-- 
2.25.1