Herton Ronaldo Krzesinski <herton@xxxxxxxxxxxxxxx> writes: > You are right, I was looking at wrong place, indeed the issue is on rtl8187. > The problem here is that mac80211 can call rtl8187_config while another > instance of it is still running, and on rtl8187_config this is a critical > section: > [...] > My sequence of commands trigger this, so there are cases where it disables TX > loopback while there are another instance that can be still > inside ->set_chan, that's explain also why card stops to work. This section > should be lock protected or mac80211 ensure to not call local->ops->config > while another call is still running. To tell you the truth, I don't know if ops->config() calls should be serialized or not, but I have always used locking on the driver as a precaution. Johannes, can you comment on this, please? -- Kalle Valo -- 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
