[PATCH 09/20] staging: brcm80211: only allow one call to add_interface callback

Franky Lin frankyl at broadcom.com
Sun Oct 2 17:14:34 UTC 2011


From: Arend van Spriel <arend at broadcom.com>

The driver only supports one network interface to be associated
with it. Only for the first call it does actually something. For
subsequent calls it does return -ENODEV error code.

Reported-by: Johannes Berg <johannes at sipsolutions.net>
Reviewed-by: Roland Vossen <rvossen at broadcom.com>
Reviewed-by: Pieter-Paul Giesberts <pieterpg at broadcom.com>
Signed-off-by: Franky Lin <frankyl at broadcom.com>
---
 drivers/staging/brcm80211/brcmsmac/mac80211_if.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/brcm80211/brcmsmac/mac80211_if.c b/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
index 1fa95d7..6787498 100644
--- a/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/staging/brcm80211/brcmsmac/mac80211_if.c
@@ -341,7 +341,10 @@ brcms_ops_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 
 	wl = hw->priv;
 	LOCK(wl);
-	err = brcms_up(wl);
+	if (!wl->pub->up)
+		err = brcms_up(wl);
+	else
+		err = -ENODEV;
 	UNLOCK(wl);
 
 	if (err != 0)
-- 
1.7.1





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