diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-12-25 19:14:55 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-02-03 18:16:27 -0500 |
| commit | 5b3eb3ade4444c3b1419ffa23598a57f6f4bf494 (patch) | |
| tree | 1f25f5eaf46fac683c502562347cb900ec946978 /arch/x86/um | |
| parent | 29fd448084e2da6d19ab675cf01d4a65fe2fcc44 (diff) | |
x86: switch to generic old sigaction
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86/um')
| -rw-r--r-- | arch/x86/um/Kconfig | 1 | ||||
| -rw-r--r-- | arch/x86/um/Makefile | 4 | ||||
| -rw-r--r-- | arch/x86/um/syscalls_32.c | 38 |
3 files changed, 3 insertions, 40 deletions
diff --git a/arch/x86/um/Kconfig b/arch/x86/um/Kconfig index a3725824449..cf0f2731484 100644 --- a/arch/x86/um/Kconfig +++ b/arch/x86/um/Kconfig @@ -26,6 +26,7 @@ config X86_32 select MODULES_USE_ELF_REL select CLONE_BACKWARDS select OLD_SIGSUSPEND3 + select OLD_SIGACTION config X86_64 def_bool 64BIT diff --git a/arch/x86/um/Makefile b/arch/x86/um/Makefile index 5d065b2222d..eafa324eb7a 100644 --- a/arch/x86/um/Makefile +++ b/arch/x86/um/Makefile @@ -10,7 +10,7 @@ endif obj-y = bug.o bugs_$(BITS).o delay.o fault.o ksyms.o ldt.o \ ptrace_$(BITS).o ptrace_user.o setjmp_$(BITS).o signal.o \ - stub_$(BITS).o stub_segv.o syscalls_$(BITS).o \ + stub_$(BITS).o stub_segv.o \ sys_call_table_$(BITS).o sysrq_$(BITS).o tls_$(BITS).o \ mem_$(BITS).o subarch.o os-$(OS)/ @@ -25,7 +25,7 @@ subarch-$(CONFIG_HIGHMEM) += ../mm/highmem_32.o else -obj-y += vdso/ +obj-y += syscalls_64.o vdso/ subarch-y = ../lib/csum-partial_64.o ../lib/memcpy_64.o ../lib/thunk_64.o \ ../lib/rwsem.o diff --git a/arch/x86/um/syscalls_32.c b/arch/x86/um/syscalls_32.c deleted file mode 100644 index e8bcea99acd..00000000000 --- a/arch/x86/um/syscalls_32.c +++ /dev/null @@ -1,38 +0,0 @@ -/* - * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com) - * Licensed under the GPL - */ - -#include <linux/syscalls.h> -#include <sysdep/syscalls.h> - -long sys_sigaction(int sig, const struct old_sigaction __user *act, - struct old_sigaction __user *oact) -{ - struct k_sigaction new_ka, old_ka; - int ret; - - if (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_flags, &act->sa_flags) || - __get_user(mask, &act->sa_mask)) - return -EFAULT; - siginitset(&new_ka.sa.sa_mask, mask); - } - - ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); - - 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_flags, &oact->sa_flags) || - __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask)) - return -EFAULT; - } - - return ret; -} |