signal/powerpc: Simplify _exception_pkey by using force_sig_pkuerr

Call force_sig_pkuerr directly instead of rolling it by hand
in _exception_pkey.

Reviewed-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index e5ea692..ab1bd06 100644 (file)
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -364,18 +364,10 @@ static bool exception_common(int signr, struct pt_regs *regs, int code,
 
 void _exception_pkey(struct pt_regs *regs, unsigned long addr, int key)
 {
-       siginfo_t info;
-
        if (!exception_common(SIGSEGV, regs, SEGV_PKUERR, addr))
                return;
 
-       clear_siginfo(&info);
-       info.si_signo = SIGSEGV;
-       info.si_code = SEGV_PKUERR;
-       info.si_addr = (void __user *) addr;
-       info.si_pkey = key;
-
-       force_sig_info(info.si_signo, &info, current);
+       force_sig_pkuerr((void __user *) addr, key);
 }
 
 void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)