ide: remove ide_driver_proc_write

The driver proc file hasn't been writeable for a long time, so this is
just dead code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>

1 files changed, 0 insertions, 46 deletions

diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c
index 863db44c7916..b3b8b8822d6a 100644
--- a/drivers/ide/ide-proc.c
+++ b/drivers/ide/ide-proc.c
@@ -528,58 +528,12 @@ static int ide_driver_proc_open(struct inode *inode, struct file *file)
         return single_open(file, ide_driver_proc_show, PDE_DATA(inode));
 }
 
-static int ide_replace_subdriver(ide_drive_t *drive, const char *driver)
-{
-        struct device *dev = &drive->gendev;
-        int ret = 1;
-        int err;
-
-        device_release_driver(dev);
-        /* FIXME: device can still be in use by previous driver */
-        strlcpy(drive->driver_req, driver, sizeof(drive->driver_req));
-        err = device_attach(dev);
-        if (err < 0)
-                printk(KERN_WARNING "IDE: %s: device_attach error: %d\n",
-                        __func__, err);
-        drive->driver_req[0] = 0;
-        if (dev->driver == NULL) {
-                err = device_attach(dev);
-                if (err < 0)
-                        printk(KERN_WARNING
-                                "IDE: %s: device_attach(2) error: %d\n",
-                                __func__, err);
-        }
-        if (dev->driver && !strcmp(dev->driver->name, driver))
-                ret = 0;
-
-        return ret;
-}
-
-static ssize_t ide_driver_proc_write(struct file *file, const char __user *buffer,
-                                     size_t count, loff_t *pos)
-{
-        ide_drive_t     *drive = PDE_DATA(file_inode(file));
-        char name[32];
-
-        if (!capable(CAP_SYS_ADMIN))
-                return -EACCES;
-        if (count > 31)
-                count = 31;
-        if (copy_from_user(name, buffer, count))
-                return -EFAULT;
-        name[count] = '\0';
-        if (ide_replace_subdriver(drive, name))
-                return -EINVAL;
-        return count;
-}
-
 static const struct file_operations ide_driver_proc_fops = {
         .owner          = THIS_MODULE,
         .open           = ide_driver_proc_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
         .release        = single_release,
-        .write          = ide_driver_proc_write,
 };
 
 static int ide_media_proc_show(struct seq_file *m, void *v)