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| author |   Vineet Gupta <vgupta@synopsys.com> | 2019-05-14 16:07:24 -0700 |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2019-07-01 11:02:22 -0700 |
| commit | 13e2cc1240eb14d1a08b2c32f88b25bf20210ebc (patch) | |
| tree | ec137a6c8b47d13ceebd154f3f8552a2b2debf1b /arch/arc | |
| parent | ARC: mm: do_page_fault refactor #1: remove label @good_area (diff) | |
| download | linux-dev-13e2cc1240eb14d1a08b2c32f88b25bf20210ebc.tar.xz linux-dev-13e2cc1240eb14d1a08b2c32f88b25bf20210ebc.zip | |
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 <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
| -rw-r--r-- | arch/arc/mm/fault.c | 7 |
1 files changed, 1 insertions, 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; |