Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dledford/rdma

[linux.git] / drivers / net / wireless / broadcom / brcm80211 / brcmfmac / core.c

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 2153e8062b4cefcca2ee92c6459fae295fbf4500..5cc3a07dda9e6acf202ba29a1f0a420814c4a96d 100644 (file)
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -214,7 +214,7 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
 
        /* Make sure there's enough writeable headroom */
        if (skb_headroom(skb) < drvr->hdrlen || skb_header_cloned(skb)) {
-               head_delta = drvr->hdrlen - skb_headroom(skb);
+               head_delta = max_t(int, drvr->hdrlen - skb_headroom(skb), 0);
 
                brcmf_dbg(INFO, "%s: insufficient headroom (%d)\n",
                          brcmf_ifname(ifp), head_delta);