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authorVineet Gupta <vgupta@synopsys.com>2019-05-15 01:07:24 +0200
committerVineet Gupta <vgupta@synopsys.com>2019-07-01 20:02:22 +0200
commit13e2cc1240eb14d1a08b2c32f88b25bf20210ebc (patch)
treeec137a6c8b47d13ceebd154f3f8552a2b2debf1b /arch/arc/mm
parentARC: mm: do_page_fault refactor #1: remove label @good_area (diff)
downloadlinux-13e2cc1240eb14d1a08b2c32f88b25bf20210ebc.tar.xz
linux-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/mm')
-rw-r--r--arch/arc/mm/fault.c7
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;