/proc/self is never going to be invalidated... (ae50adcb) · Commits · e / devices / android_kernel_xiaomi_markw

fs/proc/base.c

+0 −30

Original line number	Diff line number	Diff line
		@@ -2620,35 +2620,6 @@ static const struct pid_entry proc_base_stuff[] = {
		&proc_self_inode_operations, NULL, {}),
		};

		/*
		* Exceptional case: normally we are not allowed to unhash a busy
		* directory. In this case, however, we can do it - no aliasing problems
		* due to the way we treat inodes.
		*/
		static int proc_base_revalidate(struct dentry dentry, struct nameidata nd)
		{
		struct inode *inode;
		struct task_struct *task;

		if (nd->flags & LOOKUP_RCU)
		return -ECHILD;

		inode = dentry->d_inode;
		task = get_proc_task(inode);
		if (task) {
		put_task_struct(task);
		return 1;
		}
		d_drop(dentry);
		return 0;
		}

		static const struct dentry_operations proc_base_dentry_operations =
		{
		.d_revalidate = proc_base_revalidate,
		.d_delete = pid_delete_dentry,
		};

		static struct dentry proc_base_instantiate(struct inode dir,
		struct dentry dentry, struct task_struct task, const void *ptr)
		{
		@@ -2685,7 +2656,6 @@ static struct dentry proc_base_instantiate(struct inode dir,
		if (p->fop)
		inode->i_fop = p->fop;
		ei->op = p->op;
		d_set_d_op(dentry, &proc_base_dentry_operations);
		d_add(dentry, inode);
		error = NULL;
		out: