[REVIEW][PATCH 13/20] signal/x86: Remove the pkey parameter from do_sigbus

[Eric W. Biederman]

The function do_sigbus never sets si_code to PKUERR so it can never
return a pkey to userspace.  Therefore remove the unusable pkey
parameter from do_sigbus.

Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com>
---
 arch/x86/mm/fault.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index cfc88920716f..6886866c072d 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -962,7 +962,7 @@ bad_area_access_error(struct pt_regs *regs, unsigned long 
error_code,
 
 static void
 do_sigbus(struct pt_regs *regs, unsigned long error_code, unsigned long 
address,
-         u32 *pkey, unsigned int fault)
+         unsigned int fault)
 {
        struct task_struct *tsk = current;
 
@@ -994,7 +994,7 @@ do_sigbus(struct pt_regs *regs, unsigned long error_code, 
unsigned long address,
                return;
        }
 #endif
-       force_sig_info_fault(SIGBUS, BUS_ADRERR, address, tsk, pkey);
+       force_sig_info_fault(SIGBUS, BUS_ADRERR, address, tsk, NULL);
 }
 
 static noinline void
@@ -1023,7 +1023,7 @@ mm_fault_error(struct pt_regs *regs, unsigned long 
error_code,
        } else {
                if (fault & (VM_FAULT_SIGBUS|VM_FAULT_HWPOISON|
                             VM_FAULT_HWPOISON_LARGE))
-                       do_sigbus(regs, error_code, address, pkey, fault);
+                       do_sigbus(regs, error_code, address, fault);
                else if (fault & VM_FAULT_SIGSEGV)
                        bad_area_nosemaphore(regs, error_code, address);
                else
-- 
2.17.1