Commit b8268104 authored by Jiasheng Jiang's avatar Jiasheng Jiang Committed by Stephen Boyd
Browse files

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



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

Fixes: 1aca9939 ("clk: mediatek: Add MT6765 clock support")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-1-jiasheng@iscas.ac.cn


Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 0bb80ecc

drivers/clk/mediatek/clk-mt6765.c

+6 −0
Original line number Diff line number Diff line
@@ -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);