diff options
| author | Jesper Juhl <jj@chaosbits.net> | 2013-09-30 22:22:11 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-09-30 18:34:00 -0700 |
| commit | e72f8762f8c8f81d4692c485dc85020b3ad160da (patch) | |
| tree | f759669f255b0bedfe95942d0d0b8f112fa6d045 /drivers | |
| parent | 6b8c28192da7e15adb9c23583603cae49b5980c5 (diff) | |
| download | talos-obmc-linux-e72f8762f8c8f81d4692c485dc85020b3ad160da.tar.gz talos-obmc-linux-e72f8762f8c8f81d4692c485dc85020b3ad160da.zip | |
staging: vt6655: don't leak when returning -EOPNOTSUPP in vt6655_hostap_ioctl
Make sure we always free(param); and remove a redundant "goto out;"
just before we'll hit the label anyway.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/vt6655/hostap.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/staging/vt6655/hostap.c b/drivers/staging/vt6655/hostap.c index 8acff44a9e75..fdd63b60b7c0 100644 --- a/drivers/staging/vt6655/hostap.c +++ b/drivers/staging/vt6655/hostap.c @@ -720,7 +720,6 @@ static int hostap_get_encryption(PSDevice pDevice, * Return Value: * */ - int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p) { struct viawget_hostapd_param *param; @@ -755,8 +754,8 @@ int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p) break; case VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_ASSOC_AP_ADDR \n"); - return -EOPNOTSUPP; - break; + ret = -EOPNOTSUPP; + goto out; case VIAWGET_HOSTAPD_FLUSH: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_FLUSH \n"); spin_lock_irq(&pDevice->lock); @@ -790,40 +789,36 @@ int vt6655_hostap_ioctl(PSDevice pDevice, struct iw_point *p) DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_FLAGS_STA \n"); ret = hostap_set_flags_sta(pDevice, param); break; - case VIAWGET_HOSTAPD_MLME: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_MLME \n"); - return -EOPNOTSUPP; - + ret = -EOPNOTSUPP; + goto out; case VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SET_GENERIC_ELEMENT \n"); ret = hostap_set_generic_element(pDevice, param); break; - case VIAWGET_HOSTAPD_SCAN_REQ: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_SCAN_REQ \n"); - return -EOPNOTSUPP; - + ret = -EOPNOTSUPP; + goto out; case VIAWGET_HOSTAPD_STA_CLEAR_STATS: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "VIAWGET_HOSTAPD_STA_CLEAR_STATS \n"); - return -EOPNOTSUPP; - + ret = -EOPNOTSUPP; + goto out; default: DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "vt6655_hostap_ioctl: unknown cmd=%d\n", (int)param->cmd); - return -EOPNOTSUPP; - break; + ret = -EOPNOTSUPP; + goto out; } if ((ret == 0) && ap_ioctl) { if (copy_to_user(p->pointer, param, p->length)) { ret = -EFAULT; - goto out; } } out: kfree(param); - return ret; } |
