clk: qcom: Don't reference clk_init_data after registration

A future patch is going to change semantics of clk_register() so that
clk_hw::init is guaranteed to be NULL after a clk is registered. Avoid
referencing this member here so that we don't run into NULL pointer
exceptions.

Cc: Taniya Das <tdas@codeaurora.org>
Cc: Andy Gross <agross@kernel.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Link: https://lkml.kernel.org/r/20190731193517.237136-5-sboyd@kernel.orgAcked-by: Taniya Das <tdas@codeaurora.org>

drivers/clk/qcom/clk-rpmh.c

@@ -396,6 +396,7 @@ static int clk_rpmh_probe(struct platform_device *pdev)
 	hw_clks = desc->clks;
 
 	for (i = 0; i < desc->num_clks; i++) {
+		const char *name = hw_clks[i]->init->name;
 		u32 res_addr;
 		size_t aux_data_len;
 		const struct bcm_db *data;
@@ -426,8 +427,7 @@ static int clk_rpmh_probe(struct platform_device *pdev)
 
 		ret = devm_clk_hw_register(&pdev->dev, hw_clks[i]);
 		if (ret) {
-			dev_err(&pdev->dev, "failed to register %s\n",
-				hw_clks[i]->init->name);
+			dev_err(&pdev->dev, "failed to register %s\n", name);
 			return ret;
 		}
 	}