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mei: no need to check return value of debugfs_create functions

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When calling debugfs functions, there is no need to ever check the
return value.  The function can work or not, but the code logic should
never do something different based on this.

Cc: Tomas Winkler <tomas.winkler@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman
2019-06-11 20:38:16 +02:00
parent d7ef4857d9
commit 5666d896e8
3 changed files with 14 additions and 48 deletions
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47
drivers/misc/mei/debugfs.c
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@@ -233,47 +233,22 @@ void mei_dbgfs_deregister(struct mei_device *dev)
*
* @dev: the mei device structure
* @name: the mei device name
*
* Return: 0 on success, <0 on failure.
*/
int mei_dbgfs_register(struct mei_device *dev, const char *name)
void mei_dbgfs_register(struct mei_device *dev, const char *name)
{
struct dentry *dir, *f;
struct dentry *dir;
dir = debugfs_create_dir(name, NULL);
if (!dir)
return -ENOMEM;
dev->dbgfs_dir = dir;
f = debugfs_create_file("meclients", S_IRUSR, dir,
dev, &mei_dbgfs_fops_meclients);
if (!f) {
dev_err(dev->dev, "meclients: registration failed\n");
goto err;
}
f = debugfs_create_file("active", S_IRUSR, dir,
dev, &mei_dbgfs_fops_active);
if (!f) {
dev_err(dev->dev, "active: registration failed\n");
goto err;
}
f = debugfs_create_file("devstate", S_IRUSR, dir,
dev, &mei_dbgfs_fops_devstate);
if (!f) {
dev_err(dev->dev, "devstate: registration failed\n");
goto err;
}
f = debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir,
&dev->allow_fixed_address,
&mei_dbgfs_fops_allow_fa);
if (!f) {
dev_err(dev->dev, "allow_fixed_address: registration failed\n");
goto err;
}
return 0;
err:
mei_dbgfs_deregister(dev);
return -ENODEV;
debugfs_create_file("meclients", S_IRUSR, dir, dev,
&mei_dbgfs_fops_meclients);
debugfs_create_file("active", S_IRUSR, dir, dev,
&mei_dbgfs_fops_active);
debugfs_create_file("devstate", S_IRUSR, dir, dev,
&mei_dbgfs_fops_devstate);
debugfs_create_file("allow_fixed_address", S_IRUSR | S_IWUSR, dir,
&dev->allow_fixed_address,
&mei_dbgfs_fops_allow_fa);
}