[PATCH 5/6] powerpc/syscalls: kill ppc32_select()
From: Michael Ellerman
Date: Wed May 02 2018 - 09:22:20 EST
From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
it had always been pointless - compat_sys_select() sign-extends
the first argument just fine on its own.
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
[mpe: Use COMPAT_SPU_NEW() to keep systbl_chk.sh happy]
Signed-off-by: Michael Ellerman <mpe@xxxxxxxxxxxxxx>
---
arch/powerpc/include/asm/systbl.h | 2 +-
arch/powerpc/kernel/sys_ppc32.c | 9 ---------
2 files changed, 1 insertion(+), 10 deletions(-)
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index b91701c0711a..cdf528089a63 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -147,7 +147,7 @@ SYSCALL_SPU(setfsuid)
SYSCALL_SPU(setfsgid)
SYSCALL_SPU(llseek)
COMPAT_SYS_SPU(getdents)
-SYSX_SPU(sys_select,ppc32_select,sys_select)
+COMPAT_SPU_NEW(select)
SYSCALL_SPU(flock)
SYSCALL_SPU(msync)
COMPAT_SYS_SPU(readv)
diff --git a/arch/powerpc/kernel/sys_ppc32.c b/arch/powerpc/kernel/sys_ppc32.c
index c11c73373691..bdf58ba1a94b 100644
--- a/arch/powerpc/kernel/sys_ppc32.c
+++ b/arch/powerpc/kernel/sys_ppc32.c
@@ -52,15 +52,6 @@
#include <asm/syscalls.h>
#include <asm/switch_to.h>
-
-asmlinkage long ppc32_select(u32 n, compat_ulong_t __user *inp,
- compat_ulong_t __user *outp, compat_ulong_t __user *exp,
- compat_uptr_t tvp_x)
-{
- /* sign extend n */
- return compat_sys_select((int)n, inp, outp, exp, compat_ptr(tvp_x));
-}
-
unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
--
2.14.1