Staging: wlan-ng: Get rid of the MTU tests in the rx conversion path.

They are not needed.

Signed-off-by: Solomon Peachy <pizza@shaftnet.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/wlan-ng/p80211conv.c b/drivers/staging/wlan-ng/p80211conv.c
index 68121b9..d58f10f 100644 (file)
--- a/drivers/staging/wlan-ng/p80211conv.c
+++ b/drivers/staging/wlan-ng/p80211conv.c
@@ -381,14 +381,6 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, UINT32 ethconv, struct sk_buff *
             (memcmp(saddr, e_hdr->saddr, WLAN_ETHADDR_LEN) == 0))) {
                WLAN_LOG_DEBUG(3, "802.3 ENCAP len: %d\n", payload_length);
                /* 802.3 Encapsulated */
-               /* Test for an overlength frame */
-               if ( payload_length > (netdev->mtu + WLAN_ETHHDR_LEN)) {
-                       /* A bogus length ethfrm has been encap'd. */
-                       /* Is someone trying an oflow attack? */
-                       WLAN_LOG_ERROR("ENCAP frame too large (%d > %d)\n",
-                               payload_length, netdev->mtu + WLAN_ETHHDR_LEN);
-                       return 1;
-               }
 
                /* Chop off the 802.11 header.  it's already sane. */
                skb_pull(skb, payload_offset);
@@ -408,15 +400,6 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, UINT32 ethconv, struct sk_buff *
                /* it's a SNAP + RFC1042 frame && protocol is in STT */
                /* build 802.3 + RFC1042 */
 
-               /* Test for an overlength frame */
-               if ( payload_length > netdev->mtu ) {
-                       /* A bogus length ethfrm has been sent. */
-                       /* Is someone trying an oflow attack? */
-                       WLAN_LOG_ERROR("SNAP frame too large (%d > %d)\n",
-                               payload_length, netdev->mtu);
-                       return 1;
-               }
-
                /* chop 802.11 header from skb. */
                skb_pull(skb, payload_offset);
 
@@ -437,18 +420,6 @@ int skb_p80211_to_ether( wlandevice_t *wlandev, UINT32 ethconv, struct sk_buff *
                /* it's an 802.1h frame || (an RFC1042 && protocol is not in STT) */
                /* build a DIXII + RFC894 */
 
-               /* Test for an overlength frame */
-               if ((payload_length - sizeof(wlan_llc_t) - sizeof(wlan_snap_t))
-                   > netdev->mtu) {
-                       /* A bogus length ethfrm has been sent. */
-                       /* Is someone trying an oflow attack? */
-                       WLAN_LOG_ERROR("DIXII frame too large (%ld > %d)\n",
-                                       (long int) (payload_length - sizeof(wlan_llc_t) -
-                                                   sizeof(wlan_snap_t)),
-                                       netdev->mtu);
-                       return 1;
-               }
-
                /* chop 802.11 header from skb. */
                skb_pull(skb, payload_offset);