Commit 450e5b6f authored by Vineet Gupta's avatar Vineet Gupta
Browse files

ARC: mm: do_page_fault refactor #1: remove label @good_area 



Invert the condition for stack expansion.
No functional change

Signed-off-by: default avatarVineet Gupta <vgupta@synopsys.com>
parent 6fbc7275

arch/arc/mm/fault.c

+5 −7
Original line number Diff line number Diff line
@@ -97,21 +97,19 @@ void do_page_fault(unsigned long address, struct pt_regs *regs) 
		flags |= FAULT_FLAG_USER;

retry:

	down_read(&mm->mmap_sem);



	vma = find_vma(mm, address);

	if (!vma)

		goto bad_area;

	if (vma->vm_start <= address)

		goto good_area;

	if (!(vma->vm_flags & VM_GROWSDOWN))

		goto bad_area;

	if (expand_stack(vma, address))

	if (unlikely(address < vma->vm_start)) {

		if (!(vma->vm_flags & VM_GROWSDOWN) || expand_stack(vma, address))

			goto bad_area;

	}



	/*

	 * Ok, we have a good vm_area for this memory access, so

	 * we can handle it..

	 */

good_area:

	si_code = SEGV_ACCERR;



	/* Handle protection violation, execute on heap or stack */