brcmfmac: avoid error output in receive path

Parsing the tlv upon receiving frames can fail. Instead of printing
an error message, just count the parse failure. On some devices we
receive a lot of invalid tlv signals.

this commit will be squashed.

Signed-off-by: Arend van Spriel <arend@broadcom.com>
Change-Id: I08e0f62c55e5028f9aa70c396d291679abd273c9
Reviewed-on: http://lb-bun-88.bun.broadcom.com:8080/72
Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Reviewed-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
index eb63419..314aedc 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fwsignal.c
@@ -440,7 +440,6 @@ static int brcmf_fws_get_tlv_len(struct brcmf_fws_info *fws,
        switch (id) {
        BRCMF_FWS_TLV_DEFLIST
        default:
-               brcmf_err("invalid tlv id: %d\n", id);
                fws->stats.tlv_invalid_type++;
                break;
        }
@@ -1013,6 +1012,9 @@ int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len,
                len = signal_data[1];
                data = signal_data + 2;
 
+               brcmf_dbg(INFO, "tlv type=%d (%s), len=%d, data[0]=%d\n", type,
+                         brcmf_fws_get_tlv_name(type), len, *data);
+
                /* abort parsing when length invalid */
                if (data_len < len + 2)
                        break;
@@ -1020,8 +1022,6 @@ int brcmf_fws_hdrpull(struct brcmf_pub *drvr, int ifidx, s16 signal_len,
                if (len != brcmf_fws_get_tlv_len(fws, type))
                        break;
 
-               brcmf_dbg(INFO, "tlv type=%d (%s), len=%d\n", type,
-                         brcmf_fws_get_tlv_name(type), len);
                switch (type) {
                case BRCMF_FWS_TYPE_MAC_OPEN:
                case BRCMF_FWS_TYPE_MAC_CLOSE: