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path: root/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
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Diffstat (limited to 'drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c')
-rw-r--r--drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index 2153e8062b4c..5cc3a07dda9e 100644
--- 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);