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Staging: poch: fix verification of memory area

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fix verification of memory area

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Roel Kluin 2009-01-28 22:14:17 +01:00 committed by Greg Kroah-Hartman
parent 05d6d677ab
commit dcbbcefb6a
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/poch/poch.c
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@ -1026,7 +1026,7 @@ static int poch_ioctl(struct inode *inode, struct file *filp,
} }
break; break;
case POCH_IOC_GET_COUNTERS: 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; return -EFAULT;
spin_lock_irq(&channel->counters_lock); spin_lock_irq(&channel->counters_lock);