powerpc: switch to generic compat rt_sigqueueinfo()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

2 files changed, 1 insertions, 24 deletions

diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index f54143cd5fa2..b23d70795409 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -145,6 +145,7 @@ config PPC
         select MODULES_USE_ELF_RELA
         select CLONE_BACKWARDS
         select GENERIC_SIGALTSTACK
+        select GENERIC_COMPAT_RT_SIGQUEUEINFO
         select GENERIC_COMPAT_RT_SIGPROCMASK
         select GENERIC_COMPAT_RT_SIGPENDING
 
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index de586801fd78..8a5ea4a8f5d8 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -688,30 +688,6 @@ int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from)
 
         return 0;
 }
-
-/*
- * Note: it is necessary to treat pid and sig as unsigned ints, with the
- * corresponding cast to a signed int to insure that the proper conversion
- * (sign extension) between the register representation of a signed int
- * (msr in 32-bit mode) and the register representation of a signed int
- * (msr in 64-bit mode) is performed.
- */
-long compat_sys_rt_sigqueueinfo(u32 pid, u32 sig, compat_siginfo_t __user *uinfo)
-{
-        siginfo_t info;
-        int ret;
-        mm_segment_t old_fs = get_fs();
-
-        ret = copy_siginfo_from_user32(&info, uinfo);
-        if (unlikely(ret))
-                return ret;
-
-        set_fs (KERNEL_DS);
-        /* The __user pointer cast is valid becasuse of the set_fs() */
-        ret = sys_rt_sigqueueinfo((int)pid, (int)sig, (siginfo_t __user *) &info);
-        set_fs (old_fs);
-        return ret;
-}
 #endif /* CONFIG_PPC64 */
 
 /*