From 13e2cc1240eb14d1a08b2c32f88b25bf20210ebc Mon Sep 17 00:00:00 2001 From: Vineet Gupta Date: Tue, 14 May 2019 16:07:24 -0700 Subject: [PATCH] ARC: mm: do_page_fault refactor #2: remove short lived variable Compiler will do this anyways, still.. No functional change. Signed-off-by: Vineet Gupta --- arch/arc/mm/fault.c | 7 +------ 1 file changed, 1 insertion(+), 6 deletions(-) diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c index be8ea91fcc8b..a3a292c58e50 100644 --- a/arch/arc/mm/fault.c +++ b/arch/arc/mm/fault.c @@ -64,23 +64,18 @@ void do_page_fault(unsigned long address, struct pt_regs *regs) struct task_struct *tsk = current; struct mm_struct *mm = tsk->mm; int si_code = SEGV_MAPERR; - int ret; vm_fault_t fault; int write = regs->ecr_cause & ECR_C_PROTV_STORE; /* ST/EX */ unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE; /* - * We fault-in kernel-space virtual memory on-demand. The - * 'reference' page table is init_mm.pgd. - * * NOTE! We MUST NOT take any locks for this case. We may * be in an interrupt or a critical region, and should * only copy the information from the master page table, * nothing more. */ if (address >= VMALLOC_START && !user_mode(regs)) { - ret = handle_kernel_vaddr_fault(address); - if (unlikely(ret)) + if (unlikely(handle_kernel_vaddr_fault(address))) goto no_context; else return; -- 2.30.2