linux-kernel - [PATCH] usb: xhci: tegra: fix runtime PM error handling

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

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20180617111258.13447-1-stefan@agner.ch>
Date:   Sun, 17 Jun 2018 13:12:55 +0200
From:   Stefan Agner <stefan@...er.ch>
To:     Jon Hunter <jonathanh@...dia.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Stefan Agner <stefan@...er.ch>,
        Mathias Nyman <mathias.nyman@...el.com>,
        Thierry Reding <thierry.reding@...il.com>,
        linux-usb@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] usb: xhci: tegra: fix runtime PM error handling

The address-of operator will always evaluate to true. However,
power should be explicitly disabled if no power domain is used.

Remove the address-of operator.

Fixes: 58c38116c6cc ("usb: xhci: tegra: Add support for managing powergates")
Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 drivers/usb/host/xhci-tegra.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/host/xhci-tegra.c b/drivers/usb/host/xhci-tegra.c
index a8c1d073cba0..33daac4136e8 100644
--- a/drivers/usb/host/xhci-tegra.c
+++ b/drivers/usb/host/xhci-tegra.c
@@ -1223,10 +1223,10 @@ static int tegra_xusb_probe(struct platform_device *pdev)
 	pm_runtime_disable(&pdev->dev);
 	usb_put_hcd(tegra->hcd);
 disable_xusbc:
-	if (!&pdev->dev.pm_domain)
+	if (!pdev->dev.pm_domain)
 		tegra_powergate_power_off(TEGRA_POWERGATE_XUSBC);
 disable_xusba:
-	if (!&pdev->dev.pm_domain)
+	if (!pdev->dev.pm_domain)
 		tegra_powergate_power_off(TEGRA_POWERGATE_XUSBA);
 put_padctl:
 	tegra_xusb_padctl_put(tegra->padctl);
-- 
2.17.1