firmware: qcom: scm: Fix error code in probe()

Set the error code if devm_qcom_tzmem_pool_new() fails. Don't return
success.

Fixes: 1e76b546e6fc ("firmware: qcom: scm: Cleanup global '__scm' on probe failures")
Signed-off-by: Dan Carpenter <[e-mail]>
Reviewed-by: Krzysztof Kozlowski <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Bjorn Andersson <[e-mail]>

drivers/firmware/qcom/qcom_scm.c

···
 
 	__scm->mempool = devm_qcom_tzmem_pool_new(__scm->dev, &pool_config);
 	if (IS_ERR(__scm->mempool)) {
-		dev_err_probe(__scm->dev, PTR_ERR(__scm->mempool),
-			      "Failed to create the SCM memory pool\n");
+		ret = dev_err_probe(__scm->dev, PTR_ERR(__scm->mempool),
+				    "Failed to create the SCM memory pool\n");
 		goto err;
 	}