diff options
Diffstat (limited to 'kernel/signal.c')
| -rw-r--r-- | kernel/signal.c | 27 |
1 files changed, 6 insertions, 21 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 800a18f77732..14ad6bb90dad 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2621,13 +2621,7 @@ COMPAT_SYSCALL_DEFINE4(rt_sigprocmask, int, how, compat_sigset_t __user *, nset, if (error) return error; } - if (oset) { - compat_sigset_t old32; - sigset_to_compat(&old32, &old_set); - if (copy_to_user(oset, &old32, sizeof(compat_sigset_t))) - return -EFAULT; - } - return 0; + return oset ? put_compat_sigset(oset, &old_set, sizeof(*oset)) : 0; #else return sys_rt_sigprocmask(how, (sigset_t __user *)nset, (sigset_t __user *)oset, sigsetsize); @@ -2669,20 +2663,11 @@ SYSCALL_DEFINE2(rt_sigpending, sigset_t __user *, uset, size_t, sigsetsize) COMPAT_SYSCALL_DEFINE2(rt_sigpending, compat_sigset_t __user *, uset, compat_size_t, sigsetsize) { -#ifdef __BIG_ENDIAN sigset_t set; int err = do_sigpending(&set, sigsetsize); - if (!err) { - compat_sigset_t set32; - sigset_to_compat(&set32, &set); - /* we can get here only if sigsetsize <= sizeof(set) */ - if (copy_to_user(uset, &set32, sigsetsize)) - err = -EFAULT; - } + if (!err) + err = put_compat_sigset(uset, &set, sigsetsize); return err; -#else - return sys_rt_sigpending((sigset_t __user *)uset, sigsetsize); -#endif } #endif @@ -3451,7 +3436,6 @@ COMPAT_SYSCALL_DEFINE4(rt_sigaction, int, sig, compat_size_t, sigsetsize) { struct k_sigaction new_ka, old_ka; - compat_sigset_t mask; #ifdef __ARCH_HAS_SA_RESTORER compat_uptr_t restorer; #endif @@ -3463,6 +3447,7 @@ COMPAT_SYSCALL_DEFINE4(rt_sigaction, int, sig, if (act) { compat_uptr_t handler; + compat_sigset_t mask; ret = get_user(handler, &act->sa_handler); new_ka.sa.sa_handler = compat_ptr(handler); #ifdef __ARCH_HAS_SA_RESTORER @@ -3478,10 +3463,10 @@ COMPAT_SYSCALL_DEFINE4(rt_sigaction, int, sig, ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); if (!ret && oact) { - sigset_to_compat(&mask, &old_ka.sa.sa_mask); ret = put_user(ptr_to_compat(old_ka.sa.sa_handler), &oact->sa_handler); - ret |= copy_to_user(&oact->sa_mask, &mask, sizeof(mask)); + ret |= put_compat_sigset(&oact->sa_mask, &old_ka.sa.sa_mask, + sizeof(oact->sa_mask)); ret |= put_user(old_ka.sa.sa_flags, &oact->sa_flags); #ifdef __ARCH_HAS_SA_RESTORER ret |= put_user(ptr_to_compat(old_ka.sa.sa_restorer), |