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| author | Charles Han <hanchunchao@inspur.com> | 2024-10-25 14:59:12 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-11-04 02:03:17 +0100 |
| commit | 04e3e9188291a183b27306ddb833722c0d083d6a (patch) | |
| tree | acae985fdbd8e82bb36805a604b3e7fcf7225ed3 /drivers/phy | |
| parent | 7c561b8c3e83687064c957c394ed9fe49e38fe00 (diff) | |
| download | lwn-04e3e9188291a183b27306ddb833722c0d083d6a.tar.gz lwn-04e3e9188291a183b27306ddb833722c0d083d6a.zip | |
phy: realtek: usb: fix NULL deref in rtk_usb2phy_probe
In rtk_usb2phy_probe() devm_kzalloc() may return NULL
but this returned value is not checked.
Fixes: 134e6d25f6bd ("phy: realtek: usb: Add driver for the Realtek SoC USB 2.0 PHY")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Link: https://lore.kernel.org/r/20241025065912.143692-1-hanchunchao@inspur.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/phy')
| -rw-r--r-- | drivers/phy/realtek/phy-rtk-usb2.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/phy/realtek/phy-rtk-usb2.c b/drivers/phy/realtek/phy-rtk-usb2.c index e3ad7cea5109..e8ca2ec5998f 100644 --- a/drivers/phy/realtek/phy-rtk-usb2.c +++ b/drivers/phy/realtek/phy-rtk-usb2.c @@ -1023,6 +1023,8 @@ static int rtk_usb2phy_probe(struct platform_device *pdev) rtk_phy->dev = &pdev->dev; rtk_phy->phy_cfg = devm_kzalloc(dev, sizeof(*phy_cfg), GFP_KERNEL); + if (!rtk_phy->phy_cfg) + return -ENOMEM; memcpy(rtk_phy->phy_cfg, phy_cfg, sizeof(*phy_cfg)); |