linux-kernel - [2.6 patch] drivers/thermal/thermal.c: fix a check-after-use

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Date:	Wed, 20 Feb 2008 02:14:04 +0200
From:	Adrian Bunk <bunk@...nel.org>
To:	Zhang Rui <rui.zhang@...el.com>,
	Thomas Sujith <sujith.thomas@...el.com>,
	Len Brown <len.brown@...el.com>
Cc:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [2.6 patch] drivers/thermal/thermal.c: fix a check-after-use

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

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

---
570462ca4441d8d63dfd46efe6e5b2b1c251a611 diff --git a/drivers/thermal/thermal.c b/drivers/thermal/thermal.c
index e782b3e..958654b 100644
--- a/drivers/thermal/thermal.c
+++ b/drivers/thermal/thermal.c
@@ -308,10 +308,10 @@ int thermal_zone_bind_cooling_device(struct thermal_zone_device *tz,
 	struct thermal_cooling_device_instance *pos;
 	int result;
 
-	if (trip >= tz->trips || (trip < 0 && trip != THERMAL_TRIPS_NONE))
+	if (!tz || !cdev)
 		return -EINVAL;
 
-	if (!tz || !cdev)
+	if (trip >= tz->trips || (trip < 0 && trip != THERMAL_TRIPS_NONE))
 		return -EINVAL;
 
 	dev =

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