diff options
Diffstat (limited to 'fs/signalfd.c')
| -rw-r--r-- | fs/signalfd.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/signalfd.c b/fs/signalfd.c index 1c5a6add779..492465b451d 100644 --- a/fs/signalfd.c +++ b/fs/signalfd.c @@ -99,6 +99,16 @@ static int signalfd_copyinfo(struct signalfd_siginfo __user *uinfo, #ifdef __ARCH_SI_TRAPNO 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_code == BUS_MCEERR_AR || + kinfo->si_code == BUS_MCEERR_AO) + err |= __put_user((short) kinfo->si_addr_lsb, + &uinfo->ssi_addr_lsb); +#endif break; case __SI_CHLD: err |= __put_user(kinfo->si_pid, &uinfo->ssi_pid); @@ -206,6 +216,7 @@ static const struct file_operations signalfd_fops = { .release = signalfd_release, .poll = signalfd_poll, .read = signalfd_read, + .llseek = noop_llseek, }; SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask, |