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From: Adrian Bunk <bunk@stusta.de>
To: vojtech@suse.cz
Cc: linux-joystick@atrey.karlin.mff.cuni.cz, linux-kernel@vger.kernel.org
Subject: [2.6 patch] drivers/input/joystick/iforce/iforce-main.c: fix check after use
Date: Thu, 24 Mar 2005 04:12:45 +0100	[thread overview]
Message-ID: <20050324031245.GX1948@stusta.de> (raw)

This patch fixes an obvious check after use found by the Coverity 
checker.

Signed-off-by: Adrian Bunk <bunk@stusta.de>

--- linux-2.6.12-rc1-mm1-full/drivers/input/joystick/iforce/iforce-main.c.old	2005-03-24 02:28:48.000000000 +0100
+++ linux-2.6.12-rc1-mm1-full/drivers/input/joystick/iforce/iforce-main.c	2005-03-24 02:29:15.000000000 +0100
@@ -221,15 +221,15 @@ static int iforce_erase_effect(struct in
 	int err = 0;
 	struct iforce_core_effect* core_effect;
 
+	if (effect_id < 0 || effect_id >= FF_EFFECTS_MAX)
+		return -EINVAL;
+
 	/* Check who is trying to erase this effect */
 	if (iforce->core_effects[effect_id].owner != current->pid) {
 		printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, iforce->core_effects[effect_id].owner);
 		return -EACCES;
 	}
 
-	if (effect_id < 0 || effect_id >= FF_EFFECTS_MAX)
-		return -EINVAL;
-
 	core_effect = iforce->core_effects + effect_id;
 
 	if (test_bit(FF_MOD1_IS_USED, core_effect->flags))


                 reply	other threads:[~2005-03-24  3:14 UTC|newest]

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