On Mon, Oct 24, 2022 at 09:58:59AM +0800, Yang Yingliang wrote: > > On 2022/10/23 16:16, Leon Romanovsky wrote: > > On Fri, Oct 21, 2022 at 09:57:38PM +0800, Yang Yingliang wrote: > > > Replace BUG_ON() with WARN_ON() to handle fault more gracefully. > > > > > > Suggested-by: Johannes Berg <johannes@xxxxxxxxxxxxxxxx> > > > Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx> > > > --- > > > net/rfkill/core.c | 25 ++++++++++++++++--------- > > > 1 file changed, 16 insertions(+), 9 deletions(-) > > Please add changelog and version numbers when you set your series. > > > > The same comment as https://lore.kernel.org/all/Y1T3a1y/pWdbt2ow@unreal > The link is unreachable. Try this https://lore.kernel.org/netdev/Y1T3a1y%2FpWdbt2ow@unreal/ > > or you should delete BUG_ONs completely or simply replace them with WARN_ONs. > > > > There is no need in all these if (...). > If remove BUG_ONs or not use if (...), it may lead null-ptr-deref, it's same > as > using BUG_ON(), which leads system crash. May or will? Do you have crash report in hand? This is rfkill API and an expectation is to have valid struct rfkill *rfkill. Callers shouldn't call to these API functions if they know what rfkill is NULL. Thanks > > Thanks, > Yang > > > > Thanks > > .