netfilter: nf_nat_snmp_basic: fix a range check in NAT for SNMP

[linux-2.6-omap-h63xx.git] / mm / mmap.c

diff --git a/mm/mmap.c b/mm/mmap.c
index 669499e7c2f533291f21157da4da4978f3f6ea69..3354fdd83d4bde726d7bb2d2a0951debd4cbc51b 100644 (file)
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -245,10 +245,16 @@ asmlinkage unsigned long sys_brk(unsigned long brk)
        unsigned long rlim, retval;
        unsigned long newbrk, oldbrk;
        struct mm_struct *mm = current->mm;
+       unsigned long min_brk;
 
        down_write(&mm->mmap_sem);
 
-       if (brk < mm->start_brk)
+#ifdef CONFIG_COMPAT_BRK
+       min_brk = mm->end_code;
+#else
+       min_brk = mm->start_brk;
+#endif
+       if (brk < min_brk)
                goto out;
 
        /*