linux-kernel - [PATCH] AT91: usb gadget: fix freeing irq in _udc

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: <1292339139-26212-1-git-send-email-nicolas.ferre@atmel.com>
Date:	Tue, 14 Dec 2010 16:05:39 +0100
From:	Nicolas Ferre <nicolas.ferre@...el.com>
To:	gregkh@...e.de, linux-usb@...r.kernel.org,
	dbrownell@...rs.sourceforge.net
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Rob Emanuele <rje@...stalfontz.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: [PATCH] AT91: usb gadget: fix freeing irq in _udc_remove()

From: Rob Emanuele <rje@...stalfontz.com>

Add a free_irq() call on vbus gpio when we remove udc so that the
vbus irq is properly released.

Signed-off-by: Rob Emanuele <rje@...stalfontz.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@...el.com>
---
 drivers/usb/gadget/atmel_usba_udc.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 717ff65..e7c65a4 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -2057,8 +2057,10 @@ static int __exit usba_udc_remove(struct platform_device *pdev)
 		usba_ep_cleanup_debugfs(&usba_ep[i]);
 	usba_cleanup_debugfs(udc);
 
-	if (gpio_is_valid(udc->vbus_pin))
+	if (gpio_is_valid(udc->vbus_pin)) {
+		free_irq(gpio_to_irq(udc->vbus_pin), udc);
 		gpio_free(udc->vbus_pin);
+	}
 
 	free_irq(udc->irq, udc);
 	kfree(usba_ep);
-- 
1.7.3

--
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/