diff --git a/fs/signalfd.c b/fs/signalfd.c index 9990957264e3cc9460f287e7b1ef4f1dc94a1ea4..76bf9cc620742c1b7cd1622ff1f859fb7b606d51 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -118,13 +118,22 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo, err |= __put_user(kinfo->si_trapno, &uinfo->ssi_trapno); #endif #ifdef BUS_MCEERR_AO - /* + /* + * Other callers might not initialize the si_lsb field, + * so check explicitly for the right codes here. + */ + if (kinfo->si_signo == SIGBUS && + kinfo->si_code == BUS_MCEERR_AO) + err |= __put_user((short) kinfo->si_addr_lsb, + &uinfo->ssi_addr_lsb); +#endif +#ifdef BUS_MCEERR_AR + /* * Other callers might not initialize the si_lsb field, * so check explicitly for the right codes here. */ if (kinfo->si_signo == SIGBUS && - (kinfo->si_code == BUS_MCEERR_AR || - kinfo->si_code == BUS_MCEERR_AO)) + kinfo->si_code == BUS_MCEERR_AR) err |= __put_user((short) kinfo->si_addr_lsb, &uinfo->ssi_addr_lsb); #endif