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clk: mediatek: clk-mt6779: Add check for mtk_alloc_clk_data 

[ Upstream commit 1f57f78fbacf630430bf954e5a84caafdfea30c0 ]

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

Fixes: 710774e048 ("clk: mediatek: Add MT6779 clock support")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-2-jiasheng@iscas.ac.cn
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jiasheng Jiang 2023-09-12 17:34:04 +08:00 committed by Greg Kroah-Hartman
parent b5ff3e89b4
commit f6a7c51cf0
1 changed files with 4 additions and 0 deletions
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4
drivers/clk/mediatek/clk-mt6779.c
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@ -1217,6 +1217,8 @@ static int clk_mt6779_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);
@ -1237,6 +1239,8 @@ static int clk_mt6779_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(top_fixed_clks, ARRAY_SIZE(top_fixed_clks),
clk_data);