Revert "proc: fix races against execve() of /proc/PID/fd**"

[pandora-kernel.git] / fs / proc / base.c

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5eb0206..851ba3d 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1107,13 +1107,6 @@ static ssize_t oom_adjust_write(struct file *file, const char __user *buf,
                goto err_sighand;
        }
 
-       if (oom_adjust != task->signal->oom_adj) {
-               if (oom_adjust == OOM_DISABLE)
-                       atomic_inc(&task->mm->oom_disable_count);
-               if (task->signal->oom_adj == OOM_DISABLE)
-                       atomic_dec(&task->mm->oom_disable_count);
-       }
-
        /*
         * Warn that /proc/pid/oom_adj is deprecated, see
         * Documentation/feature-removal-schedule.txt.
@@ -1215,12 +1208,6 @@ static ssize_t oom_score_adj_write(struct file *file, const char __user *buf,
                goto err_sighand;
        }
 
-       if (oom_score_adj != task->signal->oom_score_adj) {
-               if (oom_score_adj == OOM_SCORE_ADJ_MIN)
-                       atomic_inc(&task->mm->oom_disable_count);
-               if (task->signal->oom_score_adj == OOM_SCORE_ADJ_MIN)
-                       atomic_dec(&task->mm->oom_disable_count);
-       }
        task->signal->oom_score_adj = oom_score_adj;
        if (has_capability_noaudit(current, CAP_SYS_RESOURCE))
                task->signal->oom_score_adj_min = oom_score_adj;
@@ -2261,7 +2248,7 @@ static struct dentry *proc_pident_instantiate(struct inode *dir,
        ei = PROC_I(inode);
        inode->i_mode = p->mode;
        if (S_ISDIR(inode->i_mode))
-               inode->i_nlink = 2;     /* Use getattr to fix if necessary */
+               set_nlink(inode, 2);    /* Use getattr to fix if necessary */
        if (p->iop)
                inode->i_op = p->iop;
        if (p->fop)
@@ -2655,7 +2642,7 @@ static struct dentry *proc_base_instantiate(struct inode *dir,
 
        inode->i_mode = p->mode;
        if (S_ISDIR(inode->i_mode))
-               inode->i_nlink = 2;
+               set_nlink(inode, 2);
        if (S_ISLNK(inode->i_mode))
                inode->i_size = 64;
        if (p->iop)
@@ -2994,8 +2981,8 @@ static struct dentry *proc_pid_instantiate(struct inode *dir,
        inode->i_fop = &proc_tgid_base_operations;
        inode->i_flags|=S_IMMUTABLE;
 
-       inode->i_nlink = 2 + pid_entry_count_dirs(tgid_base_stuff,
-               ARRAY_SIZE(tgid_base_stuff));
+       set_nlink(inode, 2 + pid_entry_count_dirs(tgid_base_stuff,
+                                                 ARRAY_SIZE(tgid_base_stuff)));
 
        d_set_d_op(dentry, &pid_dentry_operations);
 
@@ -3246,8 +3233,8 @@ static struct dentry *proc_task_instantiate(struct inode *dir,
        inode->i_fop = &proc_tid_base_operations;
        inode->i_flags|=S_IMMUTABLE;
 
-       inode->i_nlink = 2 + pid_entry_count_dirs(tid_base_stuff,
-               ARRAY_SIZE(tid_base_stuff));
+       set_nlink(inode, 2 + pid_entry_count_dirs(tid_base_stuff,
+                                                 ARRAY_SIZE(tid_base_stuff)));
 
        d_set_d_op(dentry, &pid_dentry_operations);