clk: mediatek: clk-mt8173-apmixedsys: Use common error handling code in clk_mt8173_apmixed_probe()

Add a label so that a bit of exception handling can be better reused
at the end of this function implementation.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: https://lore.kernel.org/r/6a64e7b3-b1ce-46c4-9c85-89f731aee592@web.de
Reviewed-by: AngeloGiaocchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

Author: elfring

drivers/clk/mediatek/clk-mt8173-apmixedsys.c

@@ -152,8 +152,8 @@ static int clk_mt8173_apmixed_probe(struct platform_device *pdev)
 
 	clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
 	if (IS_ERR_OR_NULL(clk_data)) {
-		iounmap(base);
-		return -ENOMEM;
+		r = -ENOMEM;
+		goto unmap_io;
 	}
 
 	fhctl_parse_dt(fhctl_node, pllfhs, ARRAY_SIZE(pllfhs));
@@ -188,6 +188,7 @@ static int clk_mt8173_apmixed_probe(struct platform_device *pdev)
 				  ARRAY_SIZE(pllfhs), clk_data);
 free_clk_data:
 	mtk_free_clk_data(clk_data);
+unmap_io:
 	iounmap(base);
 	return r;
 }