linux-kernel - [2.6 patch] isdn/hisax/hfc

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Message-ID: <20070918181425.GB16401@stusta.de>
Date:	Tue, 18 Sep 2007 20:14:25 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Martin Bachem <info@...ognechip.com>, Karsten Keil <kkeil@...e.de>
Cc:	isdn4linux@...tserv.isdn4linux.de, linux-kernel@...r.kernel.org
Subject: [2.6 patch] isdn/hisax/hfc_usb.c: fix check-after-use

This patch fixes a check-after-use spotted by the Coverity checker.

Signed-off-by: Adrian Bunk <bunk@...nel.org>

---

 drivers/isdn/hisax/hfc_usb.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

53472364f051d7e80182a5eb12d3853353e393be 
diff --git a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c
index 60843b3..92a796d 100644
--- a/drivers/isdn/hisax/hfc_usb.c
+++ b/drivers/isdn/hisax/hfc_usb.c
@@ -1520,14 +1520,15 @@ hfc_usb_disconnect(struct usb_interface
 	hfcusb_data *context = usb_get_intfdata(intf);
 	int i;
 
+	if (!context)
+		return;
+	
 	handle_led(context, LED_POWER_OFF);
 	schedule_timeout((10 * HZ) / 1000);
 
 	printk(KERN_INFO "HFC-S USB: device disconnect\n");
 	context->disc_flag = 1;
 	usb_set_intfdata(intf, NULL);
-	if (!context)
-		return;
 	if (timer_pending(&context->t3_timer))
 		del_timer(&context->t3_timer);
 	if (timer_pending(&context->t4_timer))

-
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