diff options
| -rw-r--r-- | arch/tile/Kconfig | 1 | ||||
| -rw-r--r-- | arch/tile/include/asm/compat.h | 4 | ||||
| -rw-r--r-- | arch/tile/kernel/compat_signal.c | 49 |
3 files changed, 1 insertions, 53 deletions
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig index f81b2755b4be..96a717ebb1fa 100644 --- a/arch/tile/Kconfig +++ b/arch/tile/Kconfig @@ -22,6 +22,7 @@ config TILE select GENERIC_CLOCKEVENTS select MODULES_USE_ELF_RELA select GENERIC_SIGALTSTACK + select GENERIC_COMPAT_RT_SIGACTION select GENERIC_COMPAT_RT_SIGQUEUEINFO select GENERIC_COMPAT_RT_SIGPROCMASK select GENERIC_COMPAT_RT_SIGPENDING diff --git a/arch/tile/include/asm/compat.h b/arch/tile/include/asm/compat.h index e81b70d025dd..001d418a8957 100644 --- a/arch/tile/include/asm/compat.h +++ b/arch/tile/include/asm/compat.h @@ -272,12 +272,8 @@ extern int compat_setup_rt_frame(int sig, struct k_sigaction *ka, struct pt_regs *regs); /* Compat syscalls. */ -struct compat_sigaction; struct compat_siginfo; struct compat_sigaltstack; -long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act, - struct compat_sigaction __user *oact, - size_t sigsetsize); long compat_sys_rt_sigreturn(void); long compat_sys_truncate64(char __user *filename, u32 dummy, u32 low, u32 high); long compat_sys_ftruncate64(unsigned int fd, u32 dummy, u32 low, u32 high); diff --git a/arch/tile/kernel/compat_signal.c b/arch/tile/kernel/compat_signal.c index 6773e620cbfc..d0a052e725be 100644 --- a/arch/tile/kernel/compat_signal.c +++ b/arch/tile/kernel/compat_signal.c @@ -34,13 +34,6 @@ #include <asm/syscalls.h> #include <arch/interrupts.h> -struct compat_sigaction { - compat_uptr_t sa_handler; - compat_ulong_t sa_flags; - compat_uptr_t sa_restorer; - sigset_t sa_mask __packed; -}; - struct compat_ucontext { compat_ulong_t uc_flags; compat_uptr_t uc_link; @@ -55,48 +48,6 @@ struct compat_rt_sigframe { struct compat_ucontext uc; }; -long compat_sys_rt_sigaction(int sig, struct compat_sigaction __user *act, - struct compat_sigaction __user *oact, - size_t sigsetsize) -{ - struct k_sigaction new_sa, old_sa; - int ret = -EINVAL; - - /* XXX: Don't preclude handling different sized sigset_t's. */ - if (sigsetsize != sizeof(sigset_t)) - goto out; - - if (act) { - compat_uptr_t handler, restorer; - - if (!access_ok(VERIFY_READ, act, sizeof(*act)) || - __get_user(handler, &act->sa_handler) || - __get_user(new_sa.sa.sa_flags, &act->sa_flags) || - __get_user(restorer, &act->sa_restorer) || - __copy_from_user(&new_sa.sa.sa_mask, &act->sa_mask, - sizeof(sigset_t))) - return -EFAULT; - new_sa.sa.sa_handler = compat_ptr(handler); - new_sa.sa.sa_restorer = compat_ptr(restorer); - } - - ret = do_sigaction(sig, act ? &new_sa : NULL, oact ? &old_sa : NULL); - - if (!ret && oact) { - if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) || - __put_user(ptr_to_compat(old_sa.sa.sa_handler), - &oact->sa_handler) || - __put_user(ptr_to_compat(old_sa.sa.sa_restorer), - &oact->sa_restorer) || - __put_user(old_sa.sa.sa_flags, &oact->sa_flags) || - __copy_to_user(&oact->sa_mask, &old_sa.sa.sa_mask, - sizeof(sigset_t))) - return -EFAULT; - } -out: - return ret; -} - int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from) { int err; |