diff options
author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-09-12 12:34:04 +0300 |
---|---|---|
committer | Stephen Boyd <sboyd@kernel.org> | 2023-10-19 04:15:14 +0300 |
commit | 1f57f78fbacf630430bf954e5a84caafdfea30c0 (patch) | |
tree | 9c735a22568ae7d641bbc892f1467d816190a753 /drivers/clk/mediatek | |
parent | b82681042724924ae3ba0f2f2eeec217fa31e830 (diff) | |
download | linux-1f57f78fbacf630430bf954e5a84caafdfea30c0.tar.xz |
clk: mediatek: clk-mt6779: 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: 710774e04861 ("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>
Diffstat (limited to 'drivers/clk/mediatek')
-rw-r--r-- | drivers/clk/mediatek/clk-mt6779.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6779.c b/drivers/clk/mediatek/clk-mt6779.c index 3ee2f5a2319a..ffedb1fe3c67 100644 --- a/drivers/clk/mediatek/clk-mt6779.c +++ b/drivers/clk/mediatek/clk-mt6779.c @@ -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); |