diff options
Diffstat (limited to 'fs/proc/inode.c')
| -rw-r--r-- | fs/proc/inode.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c index 28955d4b721..0adbc02d60e 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -35,7 +35,7 @@ static void proc_evict_inode(struct inode *inode) const struct proc_ns_operations *ns_ops; void *ns; - truncate_inode_pages(&inode->i_data, 0); + truncate_inode_pages_final(&inode->i_data); clear_inode(inode); /* Stop tracking associated processes */ @@ -47,7 +47,7 @@ static void proc_evict_inode(struct inode *inode) pde_put(de); head = PROC_I(inode)->sysctl; if (head) { - rcu_assign_pointer(PROC_I(inode)->sysctl, NULL); + RCU_INIT_POINTER(PROC_I(inode)->sysctl, NULL); sysctl_head_put(head); } /* Release any associated namespace */ @@ -292,16 +292,20 @@ proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr, { struct proc_dir_entry *pde = PDE(file_inode(file)); unsigned long rv = -EIO; - unsigned long (*get_area)(struct file *, unsigned long, unsigned long, - unsigned long, unsigned long) = NULL; + if (use_pde(pde)) { + typeof(proc_reg_get_unmapped_area) *get_area; + + get_area = pde->proc_fops->get_unmapped_area; #ifdef CONFIG_MMU - get_area = current->mm->get_unmapped_area; + if (!get_area) + get_area = current->mm->get_unmapped_area; #endif - if (pde->proc_fops->get_unmapped_area) - get_area = pde->proc_fops->get_unmapped_area; + if (get_area) rv = get_area(file, orig_addr, len, pgoff, flags); + else + rv = orig_addr; unuse_pde(pde); } return rv; |