diff options
Diffstat (limited to 'arch/s390/kernel/uv.c')
| -rw-r--r-- | arch/s390/kernel/uv.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/uv.c b/arch/s390/kernel/uv.c index cb2ee06df286..3c62d1b218b1 100644 --- a/arch/s390/kernel/uv.c +++ b/arch/s390/kernel/uv.c @@ -294,6 +294,8 @@ again: rc = -ENXIO; ptep = get_locked_pte(gmap->mm, uaddr, &ptelock); + if (!ptep) + goto out; if (pte_present(*ptep) && !(pte_val(*ptep) & _PAGE_INVALID) && pte_write(*ptep)) { page = pte_page(*ptep); rc = -EAGAIN; |