[STAGING] fix verification of memory area

[STAGING] fix verification of memory area

[Roel Kluin]

fix verification of memory area

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
---
diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c
index ec343ef..0d111dd 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);

patch staging-poch-fix-verification-of-memory-area.patch added to gregkh-2.6 tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    Subject: Staging: poch: fix verification of memory area

to my gregkh-2.6 tree.  Its filename is

    staging-poch-fix-verification-of-memory-area.patch

This tree can be found at 
    http://www.kernel.org/pub/linux/kernel/people/gregkh/gregkh-2.6/patches/


>From roel.kluin@gmail.com  Wed Jan 28 14:00:58 2009
From: Roel Kluin <roel.kluin@gmail.com>
Date: Wed, 28 Jan 2009 22:14:17 +0100
Subject: Staging: poch: fix verification of memory area
To: Greg KH <gregkh@suse.de>
Cc: lkml <linux-kernel@vger.kernel.org>
Message-ID: <4980CAA9.1060301@gmail.com>


fix verification of memory area

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

---
 drivers/staging/poch/poch.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/poch/poch.c
+++ b/drivers/staging/poch/poch.c
@@ -1026,7 +1026,7 @@ static int poch_ioctl(struct inode *inod
 		}
 		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);


Patches currently in gregkh-2.6 which might be from roel.kluin@gmail.com are

usb.current/usb-gadget-fix-x-y.patch
staging/staging-meilhaus-unsigned-won-t-get-negative-after-subtraction.patch
staging/staging-otus-logical-bit-and-confusion.patch
staging/staging-usbip-usbip_start_threads-handle-kernel_thread-failure.patch
staging/staging-poch-fix-verification-of-memory-area.patch