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phy: realtek: usb: fix NULL deref in rtk_usb2phy_probe

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[ Upstream commit 04e3e9188291a183b27306ddb833722c0d083d6a ]

In rtk_usb2phy_probe() devm_kzalloc() may return NULL
but this returned value is not checked.

Fixes: 134e6d25f6 ("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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Charles Han
2024-10-25 14:59:12 +08:00
committed by Greg Kroah-Hartman
parent c41dba28df
commit fb83c9a083
1 changed files with 2 additions and 0 deletions
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drivers/phy/realtek/phy-rtk-usb2.c
+2
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@@ -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));