IB/ehca: Fix printk format warnings from u64 type change
[safe/jmp/linux-2.6] / ipc / shm.c
index 57dd500..d0ab552 100644 (file)
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -75,7 +75,7 @@ void shm_init_ns(struct ipc_namespace *ns)
        ns->shm_ctlall = SHMALL;
        ns->shm_ctlmni = SHMMNI;
        ns->shm_tot = 0;
-       ipc_init_ids(&ns->ids[IPC_SHM_IDS]);
+       ipc_init_ids(&shm_ids(ns));
 }
 
 /*
@@ -644,7 +644,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
                if (err)
                        return err;
 
-               memset(&shminfo,0,sizeof(shminfo));
+               memset(&shminfo, 0, sizeof(shminfo));
                shminfo.shmmni = shminfo.shmseg = ns->shm_ctlmni;
                shminfo.shmmax = ns->shm_ctlmax;
                shminfo.shmall = ns->shm_ctlall;
@@ -669,7 +669,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
                if (err)
                        return err;
 
-               memset(&shm_info,0,sizeof(shm_info));
+               memset(&shm_info, 0, sizeof(shm_info));
                down_read(&shm_ids(ns).rw_mutex);
                shm_info.used_ids = shm_ids(ns).in_use;
                shm_get_stat (ns, &shm_info.shm_rss, &shm_info.shm_swp);
@@ -678,7 +678,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
                shm_info.swap_successes = 0;
                err = ipc_get_maxid(&shm_ids(ns));
                up_read(&shm_ids(ns).rw_mutex);
-               if(copy_to_user (buf, &shm_info, sizeof(shm_info))) {
+               if (copy_to_user(buf, &shm_info, sizeof(shm_info))) {
                        err = -EFAULT;
                        goto out;
                }
@@ -692,11 +692,6 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
                struct shmid64_ds tbuf;
                int result;
 
-               if (!buf) {
-                       err = -EFAULT;
-                       goto out;
-               }
-
                if (cmd == SHM_STAT) {
                        shp = shm_lock(ns, shmid);
                        if (IS_ERR(shp)) {
@@ -712,7 +707,7 @@ asmlinkage long sys_shmctl(int shmid, int cmd, struct shmid_ds __user *buf)
                        }
                        result = 0;
                }
-               err=-EACCES;
+               err = -EACCES;
                if (ipcperms (&shp->shm_perm, S_IRUGO))
                        goto out_unlock;
                err = security_shm_shmctl(shp, cmd);
@@ -995,6 +990,7 @@ asmlinkage long sys_shmdt(char __user *shmaddr)
         */
        vma = find_vma(mm, addr);
 
+#ifdef CONFIG_MMU
        while (vma) {
                next = vma->vm_next;
 
@@ -1039,6 +1035,17 @@ asmlinkage long sys_shmdt(char __user *shmaddr)
                vma = next;
        }
 
+#else /* CONFIG_MMU */
+       /* under NOMMU conditions, the exact address to be destroyed must be
+        * given */
+       retval = -EINVAL;
+       if (vma->vm_start == addr && vma->vm_ops == &shm_vm_ops) {
+               do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start);
+               retval = 0;
+       }
+
+#endif
+
        up_write(&mm->mmap_sem);
        return retval;
 }