libertas: fix error cases in lbs_process_rxed_802_11_packet()
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c
index 90a2199..141069f 100644
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -337,9 +337,10 @@
// lbs_deb_hex(LBS_DEB_RX, "RX Data: Before chop rxpd", skb->data, min(skb->len, 100));
if (skb->len < (ETH_HLEN + 8 + sizeof(struct rxpd))) {
- lbs_deb_rx("rx err: frame received wit bad length\n");
+ lbs_deb_rx("rx err: frame received with bad length\n");
priv->stats.rx_length_errors++;
- ret = 0;
+ ret = -EINVAL;
+ kfree(skb);
goto done;
}
@@ -381,10 +382,11 @@
/* add space for the new radio header */
if ((skb_headroom(skb) < sizeof(struct rx_radiotap_hdr)) &&
- pskb_expand_head(skb, sizeof(struct rx_radiotap_hdr), 0,
- GFP_ATOMIC)) {
- lbs_pr_alert("%s: couldn't pskb_expand_head\n",
- __func__);
+ pskb_expand_head(skb, sizeof(struct rx_radiotap_hdr), 0, GFP_ATOMIC)) {
+ lbs_pr_alert("%s: couldn't pskb_expand_head\n", __func__);
+ ret = -ENOMEM;
+ kfree_skb(skb);
+ goto done;
}
pradiotap_hdr = (void *)skb_push(skb, sizeof(struct rx_radiotap_hdr));