ovl: remove unneeded non-const conversion

file_user_path() now takes a const file ptr.

Signed-off-by: Amir Goldstein <[email protected]>
Link: https://lore.kernel.org/[email protected]
Signed-off-by: Christian Brauner <[email protected]>

Author: amir73il

fs/overlayfs/file.c

@@ -48,7 +48,7 @@ static struct file *ovl_open_realfile(const struct file *file,
 		if (!inode_owner_or_capable(real_idmap, realinode))
 			flags &= ~O_NOATIME;
 
-		realfile = backing_file_open(file_user_path((struct file *) file),
+		realfile = backing_file_open(file_user_path(file),
 					     flags, realpath, current_cred());
 	}
 	ovl_revert_creds(old_cred);