From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Date: Mon, 6 Mar 2023 15:04:56 +0100
Subject: [PATCH] clk: mediatek: mt2712: Add error handling to
 clk_mt2712_apmixed_probe()
References: bsc#1012628
Patch-mainline: 6.3.2
Git-commit: 20cace1b9d7e33f68f0ee17196bf0df618dbacbe

[ Upstream commit 20cace1b9d7e33f68f0ee17196bf0df618dbacbe ]

This function was completely missing error handling: add it.

Fixes: e2f744a82d72 ("clk: mediatek: Add MT2712 clock support")
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230306140543.1813621-8-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 drivers/clk/mediatek/clk-mt2712.c | 18 ++++++++++++++----
 1 file changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/clk/mediatek/clk-mt2712.c b/drivers/clk/mediatek/clk-mt2712.c
index 94f8fc2a..aa39d006 100644
--- a/drivers/clk/mediatek/clk-mt2712.c
+++ b/drivers/clk/mediatek/clk-mt2712.c
@@ -1283,15 +1283,25 @@ static int clk_mt2712_apmixed_probe(struct platform_device *pdev)
 	struct device_node *node = pdev->dev.of_node;
 
 	clk_data = mtk_alloc_clk_data(CLK_APMIXED_NR_CLK);
+	if (!clk_data)
+		return -ENOMEM;
 
-	mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
+	r = mtk_clk_register_plls(node, plls, ARRAY_SIZE(plls), clk_data);
+	if (r)
+		goto free_clk_data;
 
 	r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
+	if (r) {
+		dev_err(&pdev->dev, "Cannot register clock provider: %d\n", r);
+		goto unregister_plls;
+	}
 
-	if (r != 0)
-		pr_err("%s(): could not register clock provider: %d\n",
-			__func__, r);
+	return 0;
 
+unregister_plls:
+	mtk_clk_unregister_plls(plls, ARRAY_SIZE(plls), clk_data);
+free_clk_data:
+	mtk_free_clk_data(clk_data);
 	return r;
 }
 
-- 
2.35.3