[PATCH v2] wifi: brcmfmac: clarify unmodifiable headroom log message

[Alex Shumsky]

Replace misleading log "insufficient headroom (0)" with more clear
"unmodifiable headroom".

Signed-off-by: Alex Shumsky <alexthreed@xxxxxxxxx>
---

Changes in v2:
- don't remove log completely, but reword it

 drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
index da72fd2d541f..c3a57e30c855 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
@@ -327,8 +327,8 @@ static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
 	if (skb_headroom(skb) < drvr->hdrlen || skb_header_cloned(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);
+		brcmf_dbg(INFO, "%s: %s headroom\n", brcmf_ifname(ifp),
+			  head_delta ? "insufficient" : "unmodifiable");
 		atomic_inc(&drvr->bus_if->stats.pktcowed);
 		ret = pskb_expand_head(skb, ALIGN(head_delta, NET_SKB_PAD), 0,
 				       GFP_ATOMIC);
-- 
2.34.1