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dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="YGhL61Hj" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 646B01F000E9; Fri, 14 Aug 2026 01:41:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786671703; bh=/EenDhRSOJW4Ua5QWdGi+Vmps/qq91l9SEBZZaXRZHg=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=YGhL61Hji3BZ/BJw4eMf+3UlRxqyLXdJS1kBDaMhflY3r8GSxooPzeOMdSCLHfuVr y0zxV5ioboUMd+EIvo0vZNydB6k5HDzf1IRVHtJsyZl18rRCdCGS3/Jn0F9V975VX2 F+Sfpin1Emn0A6PMcGmQCn8ocLsFaGpnq5pT3tIHJD8wtEUSN4ivrY+X/XKN+I4zo+ ackzKZzFHUr0f2eHdc+cU9xDHi86MDCdniOlb3tXwhBJlM+CrNVGVv4FaxjYbYcxE3 jj/hpFWOfXDtf9+qPhb/ljXjcmgYIyZZz/yy/vEpd/hYxEF2swVz/lMIkc8vLPRNvc nSrqfSA+we8/g== From: sashiko-bot@kernel.org Subject: Re: [PATCH v14 04/38] phy: rockchip: usbdp: Fix devm_clk_bulk_get_all check Reply-To: sashiko-reviews@lists.linux.dev To: "Sebastian Reichel" Cc: olteanv@gmail.com, linux-phy@lists.infradead.org, robh@kernel.org, vkoul@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, neil.armstrong@linaro.org In-Reply-To: <20260813-rockchip-usbdp-cleanup-v14-4-b5ad9c68fa11@collabora.com> References: <20260813-rockchip-usbdp-cleanup-v14-0-b5ad9c68fa11@collabora.com> <20260813-rockchip-usbdp-cleanup-v14-4-b5ad9c68fa11@collabora.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Fri, 14 Aug 2026 01:41:36 +0000 Message-Id: <20260814014143.646B01F000E9@smtp.kernel.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Thank you for your contribution! Sashiko AI review found 1 potential issue(= s) to consider: Pre-existing issues: - [High] Missing NULL check on `udphy->clks[i].id` before passing to `strnc= mp`. -- --- Patch [4]: [PATCH v14 04/38] phy: rockchip: usbdp: Fix devm_clk_bulk_ge= t_all check --- commit 744151abc279ab01b34daf0e77ee2a3dbe3ad834 Author: Sebastian Reichel phy: rockchip: usbdp: Fix devm_clk_bulk_get_all check This commit changes the error handling for devm_clk_bulk_get_all() to properly return its error code, such as -EPROBE_DEFER, rather than masking it with -ENODEV. The change allows the driver to defer probing when necessary. Missing clocks are now handled by the subsequent refclk search check. Closes: https://lore.kernel.org/linux-phy/20260612164107.C7DB21F000E9@smtp.= kernel.org/ > diff --git a/drivers/phy/rockchip/phy-rockchip-usbdp.c b/drivers/phy/rock= chip/phy-rockchip-usbdp.c > --- a/drivers/phy/rockchip/phy-rockchip-usbdp.c > +++ b/drivers/phy/rockchip/phy-rockchip-usbdp.c > @@ -427,8 +427,8 @@ static int rk_udphy_clk_init(struct rk_udphy *udphy, = struct device *dev) > int i; > =20 > udphy->num_clks =3D devm_clk_bulk_get_all(dev, &udphy->clks); > - if (udphy->num_clks < 1) > - return -ENODEV; > + if (udphy->num_clks < 0) > + return udphy->num_clks; > =20 > /* used for configure phy reference clock frequency */ > for (i =3D 0; i < udphy->num_clks; i++) { > if (!udphy->clks[i].id) > continue; > =20 > if (!strncmp(udphy->clks[i].id, "refclk", 6)) { [Severity: High] This is a pre-existing issue, but can this lead to a NULL pointer dereference in rk_udphy_clk_init()? If a device tree defines the clocks property but omits the clock-names property, devm_clk_bulk_get_all() returns a positive clock count but initializes clks[i].id to NULL. Does this loop unconditionally pass that NULL pointer to strncmp(), resulting in a kernel panic during probe? --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260813-rockchip-u= sbdp-cleanup-v14-0-b5ad9c68fa11@collabora.com?part=3D4