Created attachment 378546 [details, diff] Add channel parameter to cfg80211_ibss_joined call The 3.15 kernel adds a channel parameter to the cfg80211_ibss_joined call, which isn't supported by the current wl driver.
Created attachment 378548 [details, diff] broadcom-sta-6.30.223.141-linux-3.15.0.patch
Created attachment 378824 [details, diff] broadcom-sta-6.30.223.141-linux-3.15.patch Patch by Alberto Milone for Ubuntu's version. Used in my ebuild.
Created attachment 378826 [details] broadcom-sta-6.30.223.141-r2.ebuild Corresponding .ebuild, using aforementioned patch. Please test.
This has been resolved through bug #513156