On 06/06/2013 06:07 PM, Jiang Liu wrote: > Memory for zram->disk object may have already been freed after returning > from destroy_device(zram), then it's unsafe for zram_reset_device(zram) > to access zram->disk again. > > We can't solve this bug by flipping the order of destroy_device(zram) > and zram_reset_device(zram), that will cause deadlock issues to the > zram sysfs handler. > > So fix it by holding an extra reference to zram->disk before calling > destroy_device(zram). > > Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx Acked-by: Jerome Marchand <jmarchan@xxxxxxxxxx> _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
