| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <1447314352-31061-1-git-send-email-clabbe.montjoie@gmail.com> Date: Thu, 12 Nov 2015 08:45:52 +0100 From: LABBE Corentin <clabbe.montjoie@...il.com> To: balbi@...com, gregkh@...uxfoundation.org Cc: LABBE Corentin <clabbe.montjoie@...il.com>, linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org Subject: [PATCH] usb: phy: phy-mxs-usb: fix a possible NULL dereference of_match_device could return NULL, and so cause a NULL pointer dereference later. Signed-off-by: LABBE Corentin <clabbe.montjoie@...il.com> --- drivers/usb/phy/phy-mxs-usb.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/usb/phy/phy-mxs-usb.c b/drivers/usb/phy/phy-mxs-usb.c index 4d863eb..b7536af 100644 --- a/drivers/usb/phy/phy-mxs-usb.c +++ b/drivers/usb/phy/phy-mxs-usb.c @@ -452,10 +452,13 @@ static int mxs_phy_probe(struct platform_device *pdev) struct clk *clk; struct mxs_phy *mxs_phy; int ret; - const struct of_device_id *of_id = - of_match_device(mxs_phy_dt_ids, &pdev->dev); + const struct of_device_id *of_id; struct device_node *np = pdev->dev.of_node; + of_id = of_match_device(mxs_phy_dt_ids, &pdev->dev); + if (!of_id) + return -ENODEV; + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(base)) -- 2.4.10 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists