Remove unused variables from fs/proc/base.c

When removing the explicit task_struct->pid usage I found that proc_readfd_common() and proc_pident_readdir() get this field, but do not use it at all. So this cleanup is a cheap help with the task_struct->pid isolation.

---

fs/proc/base.c | 5 +----

1 files changed, 1 insertion(+), 4 deletions(-)

index 2fb3dfc..79e1918 100644
@@ -1434,7 +1434,7 @@ static int proc_readfd_common(struct fil

	struct dentry *dentry = filp->f_path.dentry;
	struct inode *inode = dentry->d_inode;
	struct task_struct *p = get_proc_task(inode);
-	unsigned int fd, tid, ino;
+	unsigned int fd, ino;
	int retval;
	struct files_struct * files;
	struct fdtable *fdt;
@@ -1443,7 +1443,6 @@ static int proc_readfd_common(struct fil
	if (!p)
		goto out_no_task;
	retval = 0;

- tid = p->pid;

	fd = filp->f_pos;
	switch (fd) {
@@ -1678,7 +1677,6 @@ static int proc_pident_readdir(struct fi
		const struct pid_entry *ents, unsigned int nents)
{
	int i;
-	int pid;
	struct dentry *dentry = filp->f_path.dentry;
	struct inode *inode = dentry->d_inode;
	struct task_struct *task = get_proc_task(inode);
@@ -1691,7 +1689,6 @@ static int proc_pident_readdir(struct fi
		goto out_no_task;

	ret = 0;
-	pid = task->pid;
	i = filp->f_pos;
	switch (i) {
	case 0: