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phy: realtek: usb: fix NULL deref in rtk_usb3phy_probe

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[ Upstream commit bf373d2919d98f3d1fe1b19a0304f72fe74386d9 ]

In rtk_usb3phy_probe() devm_kzalloc() may return NULL
but this returned value is not checked.

Fixes: adda6e82a7 ("phy: realtek: usb: Add driver for the Realtek SoC USB 3.0 PHY")
Signed-off-by: Charles Han <hanchunchao@inspur.com>
Link: https://lore.kernel.org/r/20241025070744.149070-1-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 15:07:44 +08:00
committed by Greg Kroah-Hartman
parent fb83c9a083
commit 776f13ad1f
1 changed files with 2 additions and 0 deletions
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drivers/phy/realtek/phy-rtk-usb3.c
+2
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@@ -577,6 +577,8 @@ static int rtk_usb3phy_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));