commit 26689452f5ca201add63b1b1ff0dbcf82d6885e7
author Heiko Carstens <heiko.carstens@de.ibm.com> Wed Jan 14 14:14:36 2009 +0100
committer Heiko Carstens <heiko.carstens@de.ibm.com> Wed Jan 14 14:15:32 2009 +0100
tree 04fd8fa7b9dec6154166b0b8fcb962d05b067a45
parent 2b66421995d2e93c9d1a0111acf2581f8529c6e5

[CVE-2009-0029] s390 specific system call wrappers

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>

arch/s390/kernel/signal.c

diff --git a/arch/s390/kernel/signal.c b/arch/s390/kernel/signal.c
index 8e6812a..3cf74c3 100644
--- a/arch/s390/kernel/signal.c
+++ b/arch/s390/kernel/signal.c
@@ -25,6 +25,7 @@
 #include <linux/personality.h>
 #include <linux/binfmts.h>
 #include <linux/tracehook.h>
+#include <linux/syscalls.h>
 #include <asm/ucontext.h>
 #include <asm/uaccess.h>
 #include <asm/lowcore.h>
@@ -53,8 +54,7 @@
 /*
  * Atomically swap in the new signal mask, and wait for a signal.
  */
-asmlinkage int
-sys_sigsuspend(int history0, int history1, old_sigset_t mask)
+SYSCALL_DEFINE3(sigsuspend, int, history0, int, history1, old_sigset_t, mask)
 {
 	mask &= _BLOCKABLE;
 	spin_lock_irq(&current->sighand->siglock);
@@ -70,9 +70,8 @@
 	return -ERESTARTNOHAND;
 }
 
-asmlinkage long
-sys_sigaction(int sig, const struct old_sigaction __user *act,
-	      struct old_sigaction __user *oact)
+SYSCALL_DEFINE3(sigaction, int, sig, const struct old_sigaction __user *, act,
+		struct old_sigaction __user *, oact)
 {
 	struct k_sigaction new_ka, old_ka;
 	int ret;
@@ -102,15 +101,13 @@
 	return ret;
 }
 
-asmlinkage long
-sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)
+SYSCALL_DEFINE2(sigaltstack, const stack_t __user *, uss,
+		stack_t __user *, uoss)
 {
 	struct pt_regs *regs = task_pt_regs(current);
 	return do_sigaltstack(uss, uoss, regs->gprs[15]);
 }
 
-
-
 /* Returns non-zero on fault. */
 static int save_sigregs(struct pt_regs *regs, _sigregs __user *sregs)
 {
@@ -164,7 +161,7 @@
 	return 0;
 }
 
-asmlinkage long sys_sigreturn(void)
+SYSCALL_DEFINE0(sigreturn)
 {
 	struct pt_regs *regs = task_pt_regs(current);
 	sigframe __user *frame = (sigframe __user *)regs->gprs[15];
@@ -191,7 +188,7 @@
 	return 0;
 }
 
-asmlinkage long sys_rt_sigreturn(void)
+SYSCALL_DEFINE0(rt_sigreturn)
 {
 	struct pt_regs *regs = task_pt_regs(current);
 	rt_sigframe __user *frame = (rt_sigframe __user *)regs->gprs[15];