From: Christian Engelmayer Date: Wed, 7 May 2014 19:43:37 +0000 (+0200) Subject: staging: vt6656: fix potential leak in vt6656_hostap_ioctl() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=721b79d12fef7f13c0ac2cabb7cce39976769fcf;p=linux-beck.git staging: vt6656: fix potential leak in vt6656_hostap_ioctl() Commit fb841d67 (staging: vt6656: don't leak 'param' in vt6656_hostap_ioctl() when returning -EOPNOTSUPP) cleaned up direct returns in the ioctl switch statement that leaked already allocated memory. Fix the same issue for VIAWGET_HOSTAPD_SCAN_REQ and VIAWGET_HOSTAPD_MLME that are not supported by this driver. Detected by Coverity - CID 144381. Signed-off-by: Christian Engelmayer Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/vt6656/hostap.c b/drivers/staging/vt6656/hostap.c index 67ba48b9a8d9..a0d9fffb3787 100644 --- a/drivers/staging/vt6656/hostap.c +++ b/drivers/staging/vt6656/hostap.c @@ -742,7 +742,8 @@ int vt6656_hostap_ioctl(struct vnt_private *pDevice, struct iw_point *p) 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"); @@ -751,7 +752,8 @@ int vt6656_hostap_ioctl(struct vnt_private *pDevice, struct iw_point *p) 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");