Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linu…

…x-2.6 * 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6: [S390] futex: let futex_atomic_cmpxchg_pt survive early functional tests.
git-mirror · Mar 20, 2008 · 6a25a6c · 6a25a6c
2 parents ba42242 + 504e75d
commit 6a25a6c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c
@@ -406,6 +406,8 @@ int futex_atomic_cmpxchg_pt(int __user *uaddr, int oldval, int newval)
 {
 	int ret;
 
+	if (!current->mm)
+		return -EFAULT;
 	spin_lock(&current->mm->page_table_lock);
 	uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr);
 	if (!uaddr) {