diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2006-10-27 14:39:22 +0400 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2006-10-27 14:39:22 +0400 |
| commit | 12bae23507129a7337378e6433bff6f8696bdb45 (patch) | |
| tree | ad28d5bcebf3aebe8926446a5d12418f62276b8a /arch/s390/kernel/signal.c | |
| parent | c2b1449bd1fd73103ed5ff1a28d8f7cbc8a01b52 (diff) | |
| download | linux-12bae23507129a7337378e6433bff6f8696bdb45.tar.xz | |
[S390] uaccess error handling.
Consider return values for all user space access function and
return -EFAULT on error.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/signal.c')
| -rw-r--r-- | arch/s390/kernel/signal.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c index 4392a77cbae8..4c8a7954ef48 100644 --- a/arch/s390/kernel/signal.c +++ b/arch/s390/kernel/signal.c @@ -80,10 +80,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, old_sigset_t mask; if (!access_ok(VERIFY_READ, act, sizeof(*act)) || __get_user(new_ka.sa.sa_handler, &act->sa_handler) || - __get_user(new_ka.sa.sa_restorer, &act->sa_restorer)) + __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) || + __get_user(new_ka.sa.sa_flags, &act->sa_flags) || + __get_user(mask, &act->sa_mask)) return -EFAULT; - __get_user(new_ka.sa.sa_flags, &act->sa_flags); - __get_user(mask, &act->sa_mask); siginitset(&new_ka.sa.sa_mask, mask); } @@ -92,10 +92,10 @@ sys_sigaction(int sig, const struct old_sigaction __user *act, if (!ret && oact) { if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || __put_user(old_ka.sa.sa_handler, &oact->sa_handler) || - __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer)) + __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) || + __put_user(old_ka.sa.sa_flags, &oact->sa_flags) || + __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) return -EFAULT; - __put_user(old_ka.sa.sa_flags, &oact->sa_flags); - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask); } return ret; |