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Staging: rc2860: return -EFAULT on copy_to_user errors

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copy_to_user() returns the number of bytes remaining but we want to
return a negative error code.  This is in the ioctl handler and the
error code gets passed to userspace.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Dan Carpenter 2010-06-04 12:39:51 +02:00 committed by Greg Kroah-Hartman
parent c60e55f30a
commit 2d98bb22c3
1 changed files with 2 additions and 0 deletions
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2
drivers/staging/rt2860/sta_ioctl.c
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@ -2522,6 +2522,8 @@ int rt28xx_sta_ioctl(IN struct net_device *net_dev,
Status = Status =
copy_to_user(erq->pointer, pAd->nickname, copy_to_user(erq->pointer, pAd->nickname,
erq->length); erq->length);
if (Status)
Status = -EFAULT;
break; break;
} }
case SIOCGIWRATE: /*get default bit rate (bps) */ case SIOCGIWRATE: /*get default bit rate (bps) */