[REVIEW][PATCH 8/9] signal/powerpc: Simplify _exception_pkey by using force_sig_pkuerr

From: Eric W. Biederman
Date: Tue Sep 18 2018 - 14:00:13 EST


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

Signed-off-by: "Eric W. Biederman" <ebiederm@xxxxxxxxxxxx>
---
arch/powerpc/kernel/traps.c | 10 +---------
1 file changed, 1 insertion(+), 9 deletions(-)

diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index e5ea69222459..ab1bd06d7c44 100644
--- 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)
--
2.17.1