| task_nommu.c (a1f817dc8ed79cdff2b76bc51d545fb9465982be) | task_nommu.c (388f79345502232d335467e8fa6f8e55a18844e1) |
|---|---|
| 1 2#include <linux/mm.h> 3#include <linux/file.h> 4#include <linux/fdtable.h> 5#include <linux/fs_struct.h> 6#include <linux/mount.h> 7#include <linux/ptrace.h> 8#include <linux/slab.h> --- 205 unchanged lines hidden (view full) --- 214 loff_t n = *pos; 215 216 /* pin the task and mm whilst we play with them */ 217 priv->task = get_proc_task(priv->inode); 218 if (!priv->task) 219 return ERR_PTR(-ESRCH); 220 221 mm = priv->mm; | 1 2#include <linux/mm.h> 3#include <linux/file.h> 4#include <linux/fdtable.h> 5#include <linux/fs_struct.h> 6#include <linux/mount.h> 7#include <linux/ptrace.h> 8#include <linux/slab.h> --- 205 unchanged lines hidden (view full) --- 214 loff_t n = *pos; 215 216 /* pin the task and mm whilst we play with them */ 217 priv->task = get_proc_task(priv->inode); 218 if (!priv->task) 219 return ERR_PTR(-ESRCH); 220 221 mm = priv->mm; |
| 222 if (!mm || !atomic_inc_not_zero(&mm->mm_users)) | 222 if (!mm || !mmget_not_zero(mm)) |
| 223 return NULL; 224 225 down_read(&mm->mmap_sem); 226 /* start from the Nth VMA */ 227 for (p = rb_first(&mm->mm_rb); p; p = rb_next(p)) 228 if (n-- == 0) 229 return p; 230 --- 98 unchanged lines hidden --- | 223 return NULL; 224 225 down_read(&mm->mmap_sem); 226 /* start from the Nth VMA */ 227 for (p = rb_first(&mm->mm_rb); p; p = rb_next(p)) 228 if (n-- == 0) 229 return p; 230 --- 98 unchanged lines hidden --- |