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.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 54c2e56..39a3d7c 100644 (file)
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1519,7 +1519,7 @@ static int proc_readfd_common(struct file * filp, void * dirent,
        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;
@@ -1528,7 +1528,6 @@ static int proc_readfd_common(struct file * filp, void * dirent,
        if (!p)
                goto out_no_task;
        retval = 0;
-       tid = p->pid;
 
        fd = filp->f_pos;
        switch (fd) {
@@ -1763,7 +1762,6 @@ static int proc_pident_readdir(struct file *filp,
                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);
@@ -1776,7 +1774,6 @@ static int proc_pident_readdir(struct file *filp,
                goto out_no_task;
 
        ret = 0;
-       pid = task->pid;
        i = filp->f_pos;
        switch (i) {
        case 0: