diff options
| -rw-r--r-- | drivers/staging/vt6655/wpactl.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/staging/vt6655/wpactl.c b/drivers/staging/vt6655/wpactl.c index 0142338bcaf..4bdb8362de8 100644 --- a/drivers/staging/vt6655/wpactl.c +++ b/drivers/staging/vt6655/wpactl.c @@ -766,9 +766,14 @@ static int wpa_set_associate(PSDevice pDevice, DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "wpa_ie_len = %d\n", param->u.wpa_associate.wpa_ie_len); - if (param->u.wpa_associate.wpa_ie && - copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len)) - return -EINVAL; + if (param->u.wpa_associate.wpa_ie_len) { + if (!param->u.wpa_associate.wpa_ie) + return -EINVAL; + if (param->u.wpa_associate.wpa_ie_len > sizeof(abyWPAIE)) + return -EINVAL; + if (copy_from_user(&abyWPAIE[0], param->u.wpa_associate.wpa_ie, param->u.wpa_associate.wpa_ie_len)) + return -EFAULT; + } if (param->u.wpa_associate.mode == 1) pMgmt->eConfigMode = WMAC_CONFIG_IBSS_STA; |