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authorChristoph Hellwig <hch@lst.de>2018-04-13 21:22:21 +0200
committerChristoph Hellwig <hch@lst.de>2018-05-16 07:24:30 +0200
commit61fb5c043f92f5be4612b7511dcaf3f3fe6ab4c1 (patch)
tree1ce3159ed4d0f3045d431b8d9883be082de2de52 /drivers/ide
parent2cd1f0ddbb5667f61e69089964209e8f716e9009 (diff)
downloadlinux-stericsson-61fb5c043f92f5be4612b7511dcaf3f3fe6ab4c1.tar.gz
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>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-proc.c46
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)