revert "vanishing ioctl handler debugging"
Revert my do_ioctl() debugging patch: Paul fixed the bug.
Cc: Paul Fulghum <paulkf@microgate.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/ioctl.c b/fs/ioctl.c
index 8c90cbc..479c103 100644
--- a/fs/ioctl.c
+++ b/fs/ioctl.c
@@ -12,7 +12,6 @@
#include <linux/fs.h>
#include <linux/security.h>
#include <linux/module.h>
-#include <linux/kallsyms.h>
#include <asm/uaccess.h>
#include <asm/ioctls.h>
@@ -21,7 +20,6 @@
unsigned long arg)
{
int error = -ENOTTY;
- void *f;
if (!filp->f_op)
goto out;
@@ -31,16 +29,10 @@
if (error == -ENOIOCTLCMD)
error = -EINVAL;
goto out;
- } else if ((f = filp->f_op->ioctl)) {
+ } else if (filp->f_op->ioctl) {
lock_kernel();
- if (!filp->f_op->ioctl) {
- printk("%s: ioctl %p disappeared\n", __FUNCTION__, f);
- print_symbol("symbol: %s\n", (unsigned long)f);
- dump_stack();
- } else {
- error = filp->f_op->ioctl(filp->f_path.dentry->d_inode,
- filp, cmd, arg);
- }
+ error = filp->f_op->ioctl(filp->f_path.dentry->d_inode,
+ filp, cmd, arg);
unlock_kernel();
}