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authorAl Viro <viro@zeniv.linux.org.uk>2012-12-25 08:12:04 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-02-04 00:09:21 +0400
commit9aae8fc05d2d130797be436eb7cae29c32710193 (patch)
tree72edfb62025cb4afc2977b9171fcc05e0dd21363 /kernel/signal.c
parent5cf22100229b855bc4559dccfd8d7cb7266f99f5 (diff)
downloadlinux-9aae8fc05d2d130797be436eb7cae29c32710193.tar.xz
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>
Diffstat (limited to 'kernel/signal.c')
-rw-r--r--kernel/signal.c17
1 files changed, 16 insertions, 1 deletions
diff --git a/kernel/signal.c b/kernel/signal.c
index 93fd4b83d866..5a4aed1244fb 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -3030,7 +3030,7 @@ COMPAT_SYSCALL_DEFINE3(rt_sigqueueinfo,
#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 @@ SYSCALL_DEFINE4(rt_tgsigqueueinfo, pid_t, tgid, pid_t, pid, int, sig,
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;