diff mbox

libertas: fix return value when processing invalid packet

Message ID 1400761961.15674.4.camel@dcbw.local (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Dan Williams May 22, 2014, 12:32 p.m. UTC 
Nothing actually uses the return value yet, but we might as well
make it correct, like process_rxed_802_11_packet() does for the
same case.  Also ensure that if monitor mode is enabled (and
thus process_rxed_802_11_packet() is called) that the debugging
enter/leave functions are balanced.

Signed-off-by: Dan Williams <dcbw@redhat.com>
---
 drivers/net/wireless/libertas/Makefile | 4 ++--
 drivers/net/wireless/libertas/rx.c     | 8 +++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

Comments

James Cameron May 22, 2014, 9:57 p.m. UTC | #1 
On Thu, May 22, 2014 at 07:32:41AM -0500, Dan Williams wrote:
> Nothing actually uses the return value yet, but we might as well
> make it correct, like process_rxed_802_11_packet() does for the
> same case.  Also ensure that if monitor mode is enabled (and
> thus process_rxed_802_11_packet() is called) that the debugging
> enter/leave functions are balanced.
> 
> Signed-off-by: Dan Williams <dcbw@redhat.com>

Reviewed-by: James Cameron <quozl@laptop.org>
diff mbox

Patch

diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c
index c7366b0..e446fed 100644
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -67,30 +67,32 @@  int lbs_process_rxed_packet(struct lbs_private *priv, struct sk_buff *skb)
 
 	lbs_deb_enter(LBS_DEB_RX);
 
 	BUG_ON(!skb);
 
 	skb->ip_summed = CHECKSUM_NONE;
 
-	if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR)
-		return process_rxed_802_11_packet(priv, skb);
+	if (priv->wdev->iftype == NL80211_IFTYPE_MONITOR) {
+		ret = process_rxed_802_11_packet(priv, skb);
+		goto done;
+	}
 
 	p_rx_pd = (struct rxpd *) skb->data;
 	p_rx_pkt = (struct rxpackethdr *) ((u8 *)p_rx_pd +
 		le32_to_cpu(p_rx_pd->pkt_ptr));
 
 	dev = lbs_mesh_set_dev(priv, dev, p_rx_pd);
 
 	lbs_deb_hex(LBS_DEB_RX, "RX Data: Before chop rxpd", skb->data,
 		 min_t(unsigned int, skb->len, 100));
 
 	if (skb->len < (ETH_HLEN + 8 + sizeof(struct rxpd))) {
 		lbs_deb_rx("rx err: frame received with bad length\n");
 		dev->stats.rx_length_errors++;
-		ret = 0;
+		ret = -EINVAL;
 		dev_kfree_skb(skb);
 		goto done;
 	}
 
 	lbs_deb_rx("rx data: skb->len - pkt_ptr = %d-%zd = %zd\n",
 		skb->len, (size_t)le32_to_cpu(p_rx_pd->pkt_ptr),
 		skb->len - (size_t)le32_to_cpu(p_rx_pd->pkt_ptr));