diff options
| author | Jiasheng Jiang | 2023-09-12 17:34:06 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-11-20 11:51:57 +0100 |
| commit | a540ca0aeae83c2f3964bcb4e383f64ce2ec1783 (patch) | |
| tree | 3d813faf6f020fba33dd11ea8998c0c801fd2daa /drivers/clk/mediatek | |
| parent | 357df1c2f6ace96defd557fad709ed1f9f70e16c (diff) | |
clk: mediatek: clk-mt7629-eth: Add check for mtk_alloc_clk_data
[ Upstream commit 0884393c63cc9a1772f7121a6645ba7bd76feeb9 ]
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/20230912093407.21505-4-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>
Diffstat (limited to 'drivers/clk/mediatek')
| -rw-r--r-- | drivers/clk/mediatek/clk-mt7629-eth.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt7629-eth.c b/drivers/clk/mediatek/clk-mt7629-eth.c index b0c8fa3b8bbe..e1d2635c72c1 100644 --- a/drivers/clk/mediatek/clk-mt7629-eth.c +++ b/drivers/clk/mediatek/clk-mt7629-eth.c @@ -79,6 +79,8 @@ 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(node, eth_clks, CLK_ETH_NR_CLK, clk_data); @@ -101,6 +103,8 @@ 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(node, sgmii_clks[id++], CLK_SGMII_NR_CLK, clk_data); |