On Sat, Jan 30, 2010 at 6:37 PM, Pavel Roskin <proski@xxxxxxx> wrote: > Calling ath_bus_cleanup() after ieee80211_free_hw() resulted in access > to common->bus_ops, which is already freed as part of the device data. > > Remove the cleanup field in struct ath_bus_ops, as it was never used > properly. Remove ath_bus_cleanup(). Merge cleanup functions in place > of the ath_bus_cleanup() calls. Take care not to use any device data > after ieee80211_free_hw(). > > Signed-off-by: Pavel Roskin <proski@xxxxxxx> > --- > > The bug was causing a hang on a kernel with most debugging options > enabled. I think the fix is important and simple enough for stable > kernels. I wish I could make the patch smaller, but I didn't want to > leave unused and dangerous fields and functions. > > ath9k was tested on the PCI bus. ath9k on AHB was compile tested. > ath5k and ar9170 use struct ath_bus_ops, but don't use the cleanup > field, so they are not affected. Thanks, can you please resend with a Cc: stable@xxxxxxxxxx on the commit log? Luis -- 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
