[ARM] 3030/2: fix permission check in the obscur cmpxchg syscall

[linux-2.6] / arch / arm / kernel / traps.c

diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 03924bcc61293169c70bd65f48325a6a849c2514..d566d5f4574d051e5feb3d1ed2f62f72bf604b59 100644 (file)
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -506,7 +506,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
                if (!pmd_present(*pmd))
                        goto bad_access;
                pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
-               if (!pte_present(*pte) || !pte_write(*pte)) {
+               if (!pte_present(*pte) || !pte_dirty(*pte)) {
                        pte_unmap_unlock(pte, ptl);
                        goto bad_access;
                }