switch rt_tgsigqueueinfo to COMPAT_SYSCALL_DEFINE
C ABI violations on sparc, ppc and mips
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/include/linux/signal.h b/include/linux/signal.h
index 786bd99..ed1e71f 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -241,8 +241,6 @@
struct task_struct *p, bool group);
extern int group_send_sig_info(int sig, struct siginfo *info, struct task_struct *p);
extern int __group_send_sig_info(int, struct siginfo *, struct task_struct *);
-extern long do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig,
- siginfo_t *info);
extern int do_sigtimedwait(const sigset_t *, siginfo_t *,
const struct timespec *);
extern int sigprocmask(int, sigset_t *, sigset_t *);
diff --git a/kernel/compat.c b/kernel/compat.c
index a53b04a..cf75a28 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -1025,17 +1025,6 @@
return ret;
}
-asmlinkage long
-compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
- struct compat_siginfo __user *uinfo)
-{
- siginfo_t info;
-
- if (copy_siginfo_from_user32(&info, uinfo))
- return -EFAULT;
- return do_rt_tgsigqueueinfo(tgid, pid, sig, &info);
-}
-
#ifdef __ARCH_WANT_COMPAT_SYS_TIME
/* compat_time_t is a 32 bit "long" and needs to get converted. */
diff --git a/kernel/signal.c b/kernel/signal.c
index 93fd4b8..5a4aed1 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3030,7 +3030,7 @@
#endif
#endif
-long do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, siginfo_t *info)
+static int do_rt_tgsigqueueinfo(pid_t tgid, pid_t pid, int sig, siginfo_t *info)
{
/* This is only valid for single tasks */
if (pid <= 0 || tgid <= 0)
@@ -3060,6 +3060,21 @@
return do_rt_tgsigqueueinfo(tgid, pid, sig, &info);
}
+#ifdef CONFIG_COMPAT
+COMPAT_SYSCALL_DEFINE4(rt_tgsigqueueinfo,
+ compat_pid_t, tgid,
+ compat_pid_t, pid,
+ int, sig,
+ struct compat_siginfo __user *, uinfo)
+{
+ siginfo_t info;
+
+ if (copy_siginfo_from_user32(&info, uinfo))
+ return -EFAULT;
+ return do_rt_tgsigqueueinfo(tgid, pid, sig, &info);
+}
+#endif
+
int do_sigaction(int sig, struct k_sigaction *act, struct k_sigaction *oact)
{
struct task_struct *t = current;