habanalabs: added return value check for hl_fw_dynamic_send_clear_cmd()

The clang-analyzer reported a warning: "Value stored to 'rc' is never
read".

The return value check for the first hl_fw_dynamic_send_clear_cmd() call
in hl_fw_dynamic_send_protocol_cmd() appears to be missing.

Signed-off-by: Marco Pagani <[email protected]>
Reviewed-by: Oded Gabbay <[email protected]>
Signed-off-by: Oded Gabbay <[email protected]>

Author: Marco Pagani

drivers/misc/habanalabs/common/firmware_if.c

@@ -1783,6 +1783,8 @@ int hl_fw_dynamic_send_protocol_cmd(struct hl_device *hdev,
 
 	/* first send clear command to clean former commands */
 	rc = hl_fw_dynamic_send_clear_cmd(hdev, fw_loader);
+	if (rc)
+		return rc;
 
 	/* send the actual command */
 	hl_fw_dynamic_send_cmd(hdev, fw_loader, cmd, size);