3.4-stable review patch. If anyone has any objections, please let me know.
------------------ From: Larry Finger <[email protected]> commit f89ff6441df06abc2d95f3ef67525923032d6283 upstream. When b43 fails to find firmware when loaded, a subsequent unload will oops due to calling ieee80211_unregister_hw() when the corresponding register call was never made. Commit 2d838bb608e2d1f6cb4280e76748cb812dc822e7 fixed the same problem for b43legacy. Signed-off-by: Larry Finger <[email protected]> Tested-by: Markus Kanet <[email protected]> Cc: Markus Kanet <[email protected]> Signed-off-by: John W. Linville <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/net/wireless/b43/main.c | 2 ++ 1 file changed, 2 insertions(+) --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -5430,6 +5430,8 @@ static void b43_ssb_remove(struct ssb_de cancel_work_sync(&wldev->restart_work); B43_WARN_ON(!wl); + if (!wldev->fw.ucode.data) + return; /* NULL if firmware never loaded */ if (wl->current_dev == wldev) { /* Restore the queues count before unregistering, because firmware detect * might have modified it. Restoring is important, so the networking -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
