diff options
| author | Paul Mackerras <paulus@samba.org> | 2008-03-26 08:44:18 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2008-03-26 08:44:18 +1100 |
| commit | 54f53f2b94feb72622bec7a8563fc487d9f97720 (patch) | |
| tree | ab0c4e1dcadd25a00fa7a4febf41bc43b864cf73 /arch/s390/lib/uaccess_pt.c | |
| parent | f61fb8a52cdf8b9b6a6badde84aefe58cb35d315 (diff) | |
| parent | a4083c9271e0a697278e089f2c0b9a95363ada0a (diff) | |
Merge branch 'linux-2.6'
Diffstat (limited to 'arch/s390/lib/uaccess_pt.c')
| -rw-r--r-- | arch/s390/lib/uaccess_pt.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/lib/uaccess_pt.c b/arch/s390/lib/uaccess_pt.c index 7e8efaade2e..5efdfe9f5e7 100644 --- 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(¤t->mm->page_table_lock); uaddr = (int __user *) __dat_user_addr((unsigned long) uaddr); if (!uaddr) { |