debugfs_get_aux(): allow storing non-const void *

typechecking is up to users, anyway...

Signed-off-by: Al Viro <[e-mail]>
Link: https://lore.kernel.org/r/20250702212616.GI3406663@ZenIV
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/greybus/camera.c

···
 
 static int gb_camera_debugfs_open(struct inode *inode, struct file *file)
 {
-	file->private_data = (void *)debugfs_get_aux(file);
+	file->private_data = debugfs_get_aux(file);
 	return 0;
 }
 

fs/debugfs/file.c

···
 
 #define F_DENTRY(filp) ((filp)->f_path.dentry)
 
-const void *debugfs_get_aux(const struct file *file)
+void *debugfs_get_aux(const struct file *file)
 {
 	return DEBUGFS_I(file_inode(file))->aux;
 }

fs/debugfs/inode.c

···
 		proxy_fops = &debugfs_noop_file_operations;
 	inode->i_fop = proxy_fops;
 	DEBUGFS_I(inode)->raw = real_fops;
-	DEBUGFS_I(inode)->aux = aux;
+	DEBUGFS_I(inode)->aux = (void *)aux;
 
 	d_instantiate(dentry, inode);
 	fsnotify_create(d_inode(dentry->d_parent), dentry);

fs/debugfs/internal.h

···
 		const struct debugfs_short_fops *short_fops;
 		debugfs_automount_t automount;
 	};
-	const void *aux;
+	void *aux;
 };
 
 static inline struct debugfs_inode_info *DEBUGFS_I(struct inode *inode)

include/linux/debugfs.h

···
 
 void debugfs_lookup_and_remove(const char *name, struct dentry *parent);
 
-const void *debugfs_get_aux(const struct file *file);
+void *debugfs_get_aux(const struct file *file);
 
 int debugfs_file_get(struct dentry *dentry);
 void debugfs_file_put(struct dentry *dentry);