brcmfmac: free net device when registration fails

When registration fails the net device is no longer needed. Free
the net device and remove reference to private data from the
driver.

Reviewed-by: Hante Meuleman <meuleman@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index 59c2546..f04e355 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -656,7 +656,9 @@ int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked)
        return 0;
 
 fail:
+       drvr->iflist[ifp->bssidx] = NULL;
        ndev->netdev_ops = NULL;
+       free_netdev(ndev);
        return -EBADE;
 }
 
@@ -720,6 +722,9 @@ static int brcmf_net_p2p_attach(struct brcmf_if *ifp)
        return 0;
 
 fail:
+       ifp->drvr->iflist[ifp->bssidx] = NULL;
+       ndev->netdev_ops = NULL;
+       free_netdev(ndev);
        return -EBADE;
 }
 
@@ -925,8 +930,6 @@ fail:
                        brcmf_fws_del_interface(ifp);
                        brcmf_fws_deinit(drvr);
                }
-               free_netdev(ifp->ndev);
-               drvr->iflist[0] = NULL;
                if (p2p_ifp) {
                        free_netdev(p2p_ifp->ndev);
                        drvr->iflist[1] = NULL;
@@ -934,7 +937,8 @@ fail:
                return ret;
        }
        if ((brcmf_p2p_enable) && (p2p_ifp))
-               brcmf_net_p2p_attach(p2p_ifp);
+               if (brcmf_net_p2p_attach(p2p_ifp) < 0)
+                       brcmf_p2p_enable = 0;
 
        return 0;
 }

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
index 5a64280..83ee53a 100644 (file)
--- a/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/fweh.c
@@ -202,7 +202,8 @@ static void brcmf_fweh_handle_if_event(struct brcmf_pub *drvr,
                        return;
                brcmf_fws_add_interface(ifp);
                if (!drvr->fweh.evt_handler[BRCMF_E_IF])
-                       err = brcmf_net_attach(ifp, false);
+                       if (brcmf_net_attach(ifp, false) < 0)
+                               return;
        }
 
        if (ifevent->action == BRCMF_E_IF_CHANGE)