arch/parisc/mm/fault.c: fix uninitialized variable usage

The FAULT_FLAG_WRITE flag has been set based on uninitialized variable. Fixes a regression added by commit 759496b ("arch: mm: pass userspace fault flag to generic fault handler") Signed-off-by: Felipe Pena <[email protected]> Cc: Johannes Weiner <[email protected]> Cc: Michal Hocko <[email protected]> Cc: "James E.J. Bottomley" <[email protected]> Cc: Helge Deller <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
oohal · Sep 30, 2013 · 0772dac · 0772dac
1 parent 2a156a6
commit 0772dac
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
@@ -182,6 +182,9 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
 
 	if (user_mode(regs))
 		flags |= FAULT_FLAG_USER;
+
+	acc_type = parisc_acctyp(code, regs->iir);
+
 	if (acc_type & VM_WRITE)
 		flags |= FAULT_FLAG_WRITE;
 retry:
@@ -196,8 +199,6 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
 
 good_area:
 
-	acc_type = parisc_acctyp(code,regs->iir);
-
 	if ((vma->vm_flags & acc_type) != acc_type)
 		goto bad_area;