X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=ipc%2Fshm.c;h=f8e10a25ad7d9ece3f9e409eb3859ba282faed73;hb=083d1631be7c36309359792ecf61aaf88559043f;hp=bfbd317ec11c0be1a73bc85b82d37ee3bbf33dd3;hpb=c730f5b621afa33e9f4939da9078669162ebff4e;p=powerpc.git diff --git a/ipc/shm.c b/ipc/shm.c index bfbd317ec1..f8e10a25ad 100644 --- a/ipc/shm.c +++ b/ipc/shm.c @@ -116,6 +116,7 @@ void shm_exit_ns(struct ipc_namespace *ns) } mutex_unlock(&shm_ids(ns).mutex); + ipc_fini_ids(ns->ids[IPC_SHM_IDS]); kfree(ns->ids[IPC_SHM_IDS]); ns->ids[IPC_SHM_IDS] = NULL; } @@ -167,7 +168,7 @@ static inline void shm_inc(struct ipc_namespace *ns, int id) static void shm_open(struct vm_area_struct *shmd) { shm_inc(shm_file_ns(shmd->vm_file), - shmd->vm_file->f_dentry->d_inode->i_ino); + shmd->vm_file->f_path.dentry->d_inode->i_ino); } /* @@ -186,7 +187,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) if (!is_file_hugepages(shp->shm_file)) shmem_lock(shp->shm_file, 0, shp->mlock_user); else - user_shm_unlock(shp->shm_file->f_dentry->d_inode->i_size, + user_shm_unlock(shp->shm_file->f_path.dentry->d_inode->i_size, shp->mlock_user); fput (shp->shm_file); security_shm_free(shp); @@ -202,7 +203,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp) static void shm_close (struct vm_area_struct *shmd) { struct file * file = shmd->vm_file; - int id = file->f_dentry->d_inode->i_ino; + int id = file->f_path.dentry->d_inode->i_ino; struct shmid_kernel *shp; struct ipc_namespace *ns; @@ -232,7 +233,7 @@ static int shm_mmap(struct file * file, struct vm_area_struct * vma) vma->vm_ops = &shm_vm_ops; if (!(vma->vm_flags & VM_WRITE)) vma->vm_flags &= ~VM_MAYWRITE; - shm_inc(shm_file_ns(file), file->f_dentry->d_inode->i_ino); + shm_inc(shm_file_ns(file), file->f_path.dentry->d_inode->i_ino); } return ret; @@ -278,7 +279,7 @@ static int newseg (struct ipc_namespace *ns, key_t key, int shmflg, size_t size) if (size < SHMMIN || size > ns->shm_ctlmax) return -EINVAL; - if (ns->shm_tot + numpages >= ns->shm_ctlall) + if (ns->shm_tot + numpages > ns->shm_ctlall) return -ENOSPC; shp = ipc_rcu_alloc(sizeof(*shp)); @@ -329,7 +330,7 @@ static int newseg (struct ipc_namespace *ns, key_t key, int shmflg, size_t size) shp->shm_nattch = 0; shp->id = shm_buildid(ns, id, shp->shm_perm.seq); shp->shm_file = file; - file->f_dentry->d_inode->i_ino = shp->id; + file->f_path.dentry->d_inode->i_ino = shp->id; shm_file_ns(file) = get_ipc_ns(ns); @@ -494,7 +495,7 @@ static void shm_get_stat(struct ipc_namespace *ns, unsigned long *rss, if(!shp) continue; - inode = shp->shm_file->f_dentry->d_inode; + inode = shp->shm_file->f_path.dentry->d_inode; if (is_file_hugepages(shp->shm_file)) { struct address_space *mapping = inode->i_mapping; @@ -842,7 +843,7 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr) } file = shp->shm_file; - size = i_size_read(file->f_dentry->d_inode); + size = i_size_read(file->f_path.dentry->d_inode); shp->shm_nattch++; shm_unlock(shp); @@ -947,7 +948,7 @@ asmlinkage long sys_shmdt(char __user *shmaddr) (vma->vm_start - addr)/PAGE_SIZE == vma->vm_pgoff) { - size = vma->vm_file->f_dentry->d_inode->i_size; + size = vma->vm_file->f_path.dentry->d_inode->i_size; do_munmap(mm, vma->vm_start, vma->vm_end - vma->vm_start); /* * We discovered the size of the shm segment, so