diff options
| -rw-r--r-- | ipc/shm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/ipc/shm.c b/ipc/shm.c index faa46da99ebe..425971600485 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -969,10 +969,13 @@ SYSCALL_DEFINE3(shmat, int, shmid, char __user *, shmaddr, int, shmflg) SYSCALL_DEFINE1(shmdt, char __user *, shmaddr) { struct mm_struct *mm = current->mm; - struct vm_area_struct *vma, *next; + struct vm_area_struct *vma; unsigned long addr = (unsigned long)shmaddr; - loff_t size = 0; int retval = -EINVAL; +#ifdef CONFIG_MMU + loff_t size = 0; + struct vm_area_struct *next; +#endif if (addr & ~PAGE_MASK) return retval; |