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path: root/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
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Diffstat (limited to 'drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c')
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index 51cbc72..a39ea20 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -696,12 +696,17 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx,
* in case we missed the BRCMF_E_IF_DEL event.
*/
if (ifp) {
- brcmf_dbg(ERROR, "ERROR: netdev:%s already exists, try free & unregister\n",
+ brcmf_dbg(ERROR, "ERROR: netdev:%s already exists\n",
ifp->ndev->name);
- netif_stop_queue(ifp->ndev);
- unregister_netdev(ifp->ndev);
- free_netdev(ifp->ndev);
- drvr->iflist[ifidx] = NULL;
+ if (ifidx) {
+ netif_stop_queue(ifp->ndev);
+ unregister_netdev(ifp->ndev);
+ free_netdev(ifp->ndev);
+ drvr->iflist[ifidx] = NULL;
+ } else {
+ brcmf_dbg(ERROR, "ignore IF event\n");
+ return ERR_PTR(-EINVAL);
+ }
}
/* Allocate netdev, including space for private structure */