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 759496ba6407 ("arch: mm: pass
userspace fault flag to generic fault handler")

Signed-off-by: Felipe Pena <felipensp@gmail.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@suse.cz>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Helge Deller <deller@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index d10d27a..00c0ed3 100644 (file)
--- 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 @@ retry:
 
 good_area:
 
-       acc_type = parisc_acctyp(code,regs->iir);
-
        if ((vma->vm_flags & acc_type) != acc_type)
                goto bad_area;