diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-09-12 12:34:07 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-11-20 13:59:06 +0300 |
| commit | 5fbea47eebff5daeca7d918c99289bcd3ae4dc8d (patch) | |
| tree | e44adf812899ec82afaf215e5504fd4f558efa65 | |
| parent | 1639072f6260babd017556e9f236ca2ad589d1e7 (diff) | |
| download | linux-5fbea47eebff5daeca7d918c99289bcd3ae4dc8d.tar.xz | |
clk: mediatek: clk-mt7629: Add check for mtk_alloc_clk_data
[ Upstream commit 2befa515c1bb6cdd33c262b909d93d1973a219aa ]
Add the check for the return value of mtk_alloc_clk_data() in order to
avoid NULL pointer dereference.
Fixes: 3b5e748615e7 ("clk: mediatek: add clock support for MT7629 SoC")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/r/20230912093407.21505-5-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>
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7629.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt7629.c b/drivers/clk/mediatek/clk-mt7629.c index 2882107d0f24..b8a1f01bc974 100644 --- a/drivers/clk/mediatek/clk-mt7629.c +++ b/drivers/clk/mediatek/clk-mt7629.c @@ -555,6 +555,8 @@ static int mtk_topckgen_init(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); @@ -579,6 +581,8 @@ static int mtk_infrasys_init(struct platform_device *pdev) struct clk_hw_onecell_data *clk_data; clk_data = mtk_alloc_clk_data(CLK_INFRA_NR_CLK); + if (!clk_data) + return -ENOMEM; mtk_clk_register_gates(&pdev->dev, node, infra_clks, ARRAY_SIZE(infra_clks), clk_data); @@ -602,6 +606,8 @@ static int mtk_pericfg_init(struct platform_device *pdev) return PTR_ERR(base); clk_data = mtk_alloc_clk_data(CLK_PERI_NR_CLK); + if (!clk_data) + return -ENOMEM; mtk_clk_register_gates(&pdev->dev, node, peri_clks, ARRAY_SIZE(peri_clks), clk_data); |