Commit 0884393c authored by Jiasheng Jiang's avatar Jiasheng Jiang Committed by Stephen Boyd
Browse files

clk: mediatek: clk-mt7629-eth: 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: 3b5e7486 ("clk: mediatek: add clock support for MT7629 SoC")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-4-jiasheng@iscas.ac.cn


Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: default avatarStephen Boyd <sboyd@kernel.org>
parent 606f6366

drivers/clk/mediatek/clk-mt7629-eth.c

+4 −0
Original line number Diff line number Diff line
@@ -77,6 +77,8 @@ static int clk_mt7629_ethsys_init(struct platform_device *pdev) 
	int r;



	clk_data = mtk_alloc_clk_data(CLK_ETH_NR_CLK);

	if (!clk_data)

		return -ENOMEM;



	mtk_clk_register_gates(&pdev->dev, node, eth_clks,

			       CLK_ETH_NR_CLK, clk_data);
@@ -100,6 +102,8 @@ static int clk_mt7629_sgmiisys_init(struct platform_device *pdev) 
	int r;



	clk_data = mtk_alloc_clk_data(CLK_SGMII_NR_CLK);

	if (!clk_data)

		return -ENOMEM;



	mtk_clk_register_gates(&pdev->dev, node, sgmii_clks[id++],

			       CLK_SGMII_NR_CLK, clk_data);