a7d4c4c102
- Call ieee80211_stop() when urtwn_init() fails (i.e., stop vap explicitly) - Return an error when urtwn_write_<smth>() fails. - Handle errors from them in: * urtwn_fw_cmd(); * urtwn_llt_write(); * urtwn_efuse_*(); * urtwn_*_power_on(); * urtwn_*_dma_init(); * urtwn_mac_init(); * urtwn_init(); Tested with RTL8188EU, STA mode Reviewed by: kevlo Approved by: adrian (mentor) Differential Revision: https://reviews.freebsd.org/D4291