brcmfmac: store revinfo retrieval result

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

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/core.c b/drivers/net/wireless/brcm80211/brcmfmac/core.c
index 8d03588b54bbc9892ee9ab43f07dac5a1870c9d3..2d6e2cc1b12ce98c6fd8a3039260d56c50070636 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/core.c
@@ -601,11 +601,12 @@ static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
 {
        struct brcmf_if *ifp = netdev_priv(ndev);
        struct brcmf_pub *drvr = ifp->drvr;
-       char drev[BRCMU_DOTREV_LEN];
+       char drev[BRCMU_DOTREV_LEN] = "n/a";
 
+       if (drvr->revinfo.result == 0)
+               brcmu_dotrev_str(drvr->revinfo.driverrev, drev);
        strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
-       strlcpy(info->version, brcmu_dotrev_str(drvr->revinfo.driverrev, drev),
-               sizeof(info->version));
+       strlcpy(info->version, drev, sizeof(info->version));
        strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version));
        strlcpy(info->bus_info, dev_name(drvr->bus_if->dev),
                sizeof(info->bus_info));