Hi On Monday 03 December 2012, Helmut Schaa wrote: > On Mon, Dec 3, 2012 at 4:11 PM, Stefan Lippers-Hollmann <s.L-H@xxxxxx> wrote: > > Using kernel v3.7-rc7-176-g7e5530a (current mainline HEAD), I notice > > the following WARN_ON() triggering with rt2500usb and no wireless > > interface appears. > > Mind to try the patch below? […] Thanks a lot, this patch works perfectly. > From 4e4223674e2e76ca7a8e449fccd1e0a2d326fc7b Mon Sep 17 00:00:00 2001 > From: Helmut Schaa <helmut.schaa@xxxxxxxxxxxxxx> > Date: Mon, 3 Dec 2012 19:45:42 +0100 > Subject: [PATCH] rt2x00: Only specify interface combinations if more then one > interface is possible > > Otherwise this triggers a warning in cfg80211, from net/wireless/core.c: > > /* Combinations with just one interface aren't real */ > if (WARN_ON(c->max_interfaces < 2)) > > This was introduced in commit 55d2e9da744ba11eae900b4bfc2da72eace3c1e1: > rt2x00: Replace open coded interface checking with interface combinations. > > Reported-by: Stefan Lippers-Hollmann <s.L-H@xxxxxx> Tested-by: Stefan Lippers-Hollmann <s.l-h@xxxxxx> perhaps also Cc: stable@xxxxxxxxxxxxxxx # v3.7 as it might not reach Linus in time for v3.7 > Signed-off-by: Helmut Schaa <helmut.schaa@xxxxxxxxxxxxxx> > --- > drivers/net/wireless/rt2x00/rt2x00dev.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c > b/drivers/net/wireless/rt2x00/rt2x00dev.c > index 69097d1..dafb448 100644 > --- a/drivers/net/wireless/rt2x00/rt2x00dev.c > +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c > @@ -1123,6 +1123,9 @@ static inline void > rt2x00lib_set_if_combinations(struct rt2x00_dev *rt2x00dev) ^whitespace damage Regards Stefan Lippers-Hollmann -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html