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authorHeiko Carstens <heiko.carstens@de.ibm.com>2009-01-14 14:14:11 +0100
committerHeiko Carstens <heiko.carstens@de.ibm.com>2009-01-14 14:15:21 +0100
commita5f8fa9e9ba5ef3305e147f41ad6e1e84ac1f0bd (patch)
treea9bedc6890d6379f0839c280a20c5da3bd9f2352 /kernel
parent17da2bd90abf428523de0fb98f7075e00e3ed42e (diff)
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[CVE-2009-0029] System call wrappers part 09
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/signal.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 278cc8737f17..e2333929611a 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2279,7 +2279,7 @@ static int do_tkill(pid_t tgid, pid_t pid, int sig)
* exists but it's not belonging to the target process anymore. This
* method solves the problem of threads exiting and PIDs getting reused.
*/
-asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig)
+SYSCALL_DEFINE3(tgkill, pid_t, tgid, pid_t, pid, int, sig)
{
/* This is only valid for single tasks */
if (pid <= 0 || tgid <= 0)
@@ -2291,8 +2291,7 @@ asmlinkage long sys_tgkill(pid_t tgid, pid_t pid, int sig)
/*
* Send a signal to only one task, even if it's a CLONE_THREAD task.
*/
-asmlinkage long
-sys_tkill(pid_t pid, int sig)
+SYSCALL_DEFINE2(tkill, pid_t, pid, int, sig)
{
/* This is only valid for single tasks */
if (pid <= 0)
@@ -2301,8 +2300,8 @@ sys_tkill(pid_t pid, int sig)
return do_tkill(0, pid, sig);
}
-asmlinkage long
-sys_rt_sigqueueinfo(pid_t pid, int sig, siginfo_t __user *uinfo)
+SYSCALL_DEFINE3(rt_sigqueueinfo, pid_t, pid, int, sig,
+ siginfo_t __user *, uinfo)
{
siginfo_t info;
@@ -2526,15 +2525,13 @@ out:
/*
* For backwards compatibility. Functionality superseded by sigprocmask.
*/
-asmlinkage long
-sys_sgetmask(void)
+SYSCALL_DEFINE0(sgetmask)
{
/* SMP safe */
return current->blocked.sig[0];
}
-asmlinkage long
-sys_ssetmask(int newmask)
+SYSCALL_DEFINE1(ssetmask, int, newmask)
{
int old;
@@ -2554,8 +2551,7 @@ sys_ssetmask(int newmask)
/*
* For backwards compatibility. Functionality superseded by sigaction.
*/
-asmlinkage long
-sys_signal(int sig, __sighandler_t handler)
+SYSCALL_DEFINE2(signal, int, sig, __sighandler_t, handler)
{
struct k_sigaction new_sa, old_sa;
int ret;
@@ -2572,8 +2568,7 @@ sys_signal(int sig, __sighandler_t handler)
#ifdef __ARCH_WANT_SYS_PAUSE
-asmlinkage long
-sys_pause(void)
+SYSCALL_DEFINE0(pause)
{
current->state = TASK_INTERRUPTIBLE;
schedule();