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clk: mediatek: clk-mt6765: Add check for mtk_alloc_clk_data

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Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.

Fixes: 1aca9939bf ("clk: mediatek: Add MT6765 clock support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-1-jiasheng@iscas.ac.cn
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
This commit is contained in:
Jiasheng Jiang 2023-09-12 17:34:03 +08:00 committed by Stephen Boyd
parent 0bb80ecc33
commit b826810427
1 changed files with 6 additions and 0 deletions
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6
drivers/clk/mediatek/clk-mt6765.c
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@ -737,6 +737,8 @@ static int clk_mt6765_apmixed_probe(struct platform_device *pdev)
return PTR_ERR(base);
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);
@ -769,6 +771,8 @@ static int clk_mt6765_top_probe(struct platform_device *pdev)
return PTR_ERR(base);
clk_data = mtk_alloc_clk_data(CLK_TOP_NR_CLK);
if (!clk_data)
return -ENOMEM;
mtk_clk_register_fixed_clks(fixed_clks, ARRAY_SIZE(fixed_clks),
clk_data);
@ -807,6 +811,8 @@ static int clk_mt6765_ifr_probe(struct platform_device *pdev)
return PTR_ERR(base);
clk_data = mtk_alloc_clk_data(CLK_IFR_NR_CLK);
if (!clk_data)
return -ENOMEM;
mtk_clk_register_gates(&pdev->dev, node, ifr_clks,
ARRAY_SIZE(ifr_clks), clk_data);