[REVIEW][PATCH 17/26] signal/arm: Remove tsk parameter from __do_user_fault

[Eric W. Biederman]

The __do_user_fault function is always called with tsk == current.
Make that obvious by removing the tsk parameter.

This makes it clear that __do_user_fault calls force_sig_fault
on the current task.

Signed-off-by: "Eric W. Biederman" <ebied...@xmission.com>
---
 arch/arm/mm/fault.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 58f69fa07df9..324def0279b2 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -157,10 +157,11 @@ __do_kernel_fault(struct mm_struct *mm, unsigned long 
addr, unsigned int fsr,
  * User mode accesses just cause a SIGSEGV
  */
 static void
-__do_user_fault(struct task_struct *tsk, unsigned long addr,
-               unsigned int fsr, unsigned int sig, int code,
-               struct pt_regs *regs)
+__do_user_fault(unsigned long addr, unsigned int fsr, unsigned int sig,
+               int code, struct pt_regs *regs)
 {
+       struct task_struct *tsk = current;
+
        if (addr > TASK_SIZE)
                harden_branch_predictor();
 
@@ -196,7 +197,7 @@ void do_bad_area(unsigned long addr, unsigned int fsr, 
struct pt_regs *regs)
         * have no context to handle this fault with.
         */
        if (user_mode(regs))
-               __do_user_fault(tsk, addr, fsr, SIGSEGV, SEGV_MAPERR, regs);
+               __do_user_fault(addr, fsr, SIGSEGV, SEGV_MAPERR, regs);
        else
                __do_kernel_fault(mm, addr, fsr, regs);
 }
@@ -392,7 +393,7 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct 
pt_regs *regs)
                        SEGV_ACCERR : SEGV_MAPERR;
        }
 
-       __do_user_fault(tsk, addr, fsr, sig, code, regs);
+       __do_user_fault(addr, fsr, sig, code, regs);
        return 0;
 
 no_context:
-- 
2.21.0