From: Roel Kluin <roel.kluin@gmail.com>
Date: Wed, 28 Jan 2009 21:14:17 +0000 (+0100)
Subject: Staging: poch: fix verification of memory area
X-Git-Tag: v2.6.29-rc4~99^2
X-Git-Url: http://pileus.org/git/?a=commitdiff_plain;h=dcbbcefb6a6d540b605421e85fbaa4cea3fef5a2;p=~andy%2Flinux

Staging: poch: fix verification of memory area

fix verification of memory area

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c
index ec343ef53a8..0d111ddfabb 100644
--- a/drivers/staging/poch/poch.c
+++ b/drivers/staging/poch/poch.c
@@ -1026,7 +1026,7 @@ static int poch_ioctl(struct inode *inode, struct file *filp,
 		}
 		break;
 	case POCH_IOC_GET_COUNTERS:
-		if (access_ok(VERIFY_WRITE, argp, sizeof(struct poch_counters)))
+		if (!access_ok(VERIFY_WRITE, argp, sizeof(struct poch_counters)))
 			return -EFAULT;
 
 		spin_lock_irq(&channel->counters_lock);