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| author |   Dan Carpenter <error27@gmail.com> | 2010-06-04 12:39:51 +0200 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2010-06-04 13:38:58 -0700 |
| commit | 2d98bb22c33b033182edd3a3c6b4c4e1d091db4d (patch) | |
| tree | 9e8995b79993fc279383ee713ee6f9fbb7d5642d /drivers | |
| parent | Staging: Eliminate a NULL pointer dereference (diff) | |
| download | linux-dev-2d98bb22c33b033182edd3a3c6b4c4e1d091db4d.tar.xz linux-dev-2d98bb22c33b033182edd3a3c6b4c4e1d091db4d.zip | |
Staging: rc2860: return -EFAULT on copy_to_user errors
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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/rt2860/sta_ioctl.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/staging/rt2860/sta_ioctl.c b/drivers/staging/rt2860/sta_ioctl.c index 112da7a6c417..6b8268d3dc75 100644 --- a/drivers/staging/rt2860/sta_ioctl.c +++ b/drivers/staging/rt2860/sta_ioctl.c @@ -2522,6 +2522,8 @@ int rt28xx_sta_ioctl(IN struct net_device *net_dev, Status = copy_to_user(erq->pointer, pAd->nickname, erq->length); + if (Status) + Status = -EFAULT; break; } case SIOCGIWRATE: /*get default bit rate (bps) */ |