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Subject[patch 39/85] [PATCH 19/44] [CVE-2009-0029] System call wrappers part 09
2.6.27-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Heiko Carstens <heiko.carstens@de.ibm.com>

commit a5f8fa9e9ba5ef3305e147f41ad6e1e84ac1f0bd upstream.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
fs/sync.c | 6 +++---
kernel/signal.c | 21 ++++++++-------------
2 files changed, 11 insertions(+), 16 deletions(-)
--- a/fs/sync.c
+++ b/fs/sync.c
@@ -36,7 +36,7 @@ static void do_sync(unsigned long wait)
laptop_sync_completion();
}

-asmlinkage long sys_sync(void)
+SYSCALL_DEFINE0(sync)
{
do_sync(1);
return 0;
@@ -118,12 +118,12 @@ static long __do_fsync(unsigned int fd,
return ret;
}

-asmlinkage long sys_fsync(unsigned int fd)
+SYSCALL_DEFINE1(fsync, unsigned int, fd)
{
return __do_fsync(fd, 0);
}

-asmlinkage long sys_fdatasync(unsigned int fd)
+SYSCALL_DEFINE1(fdatasync, unsigned int, fd)
{
return __do_fsync(fd, 1);
}
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2254,7 +2254,7 @@ static int do_tkill(pid_t tgid, pid_t pi
* 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)
@@ -2266,8 +2266,7 @@ asmlinkage long sys_tgkill(pid_t tgid, p
/*
* 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)
@@ -2276,8 +2275,8 @@ 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;

@@ -2501,15 +2500,13 @@ 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 Functionality superseded by sigprocmask.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;

@@ -2529,8 +2526,7 @@ 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;
@@ -2547,8 +2543,7 @@ sys_signal(int sig, __sighandler_t handl

#ifdef __ARCH_WANT_SYS_PAUSE

-asmlinkage long
-sys_pause(void)
+SYSCALL_DEFINE0(pause)
{
current->state = TASK_INTERRUPTIBLE;
schedule();


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