diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2023-09-12 12:34:06 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-11-20 13:59:06 +0300 |
| commit | 1639072f6260babd017556e9f236ca2ad589d1e7 (patch) | |
| tree | d88cf4ebc4f12d28f6cc1dac18d4319236f27ccc /drivers/clk | |
| parent | 122ac6496e4975ddd7ec1edba4f6fc1e15e39478 (diff) | |
| download | linux-1639072f6260babd017556e9f236ca2ad589d1e7.tar.xz | |
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')
| -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 fe714debdc9e..1bfedc988cfe 100644 --- a/drivers/clk/mediatek/clk-mt7629-eth.c +++ b/drivers/clk/mediatek/clk-mt7629-eth.c @@ -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); |