From e8fa3ac7894f9153154700c890f1e0e24352012b Mon Sep 17 00:00:00 2001
From: Simon Proud <simon.proud@stfc.ac.uk>
Date: Tue, 17 Sep 2024 17:02:11 +0200
Subject: [PATCH] Add error handling for incorrect data load.

---
 satpy/readers/oli_tirs_l1_tif.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/satpy/readers/oli_tirs_l1_tif.py b/satpy/readers/oli_tirs_l1_tif.py
index 3c22476869..d143db1844 100644
--- a/satpy/readers/oli_tirs_l1_tif.py
+++ b/satpy/readers/oli_tirs_l1_tif.py
@@ -95,7 +95,7 @@ def __init__(self, filename, filename_info, filetype_info, mda, **kwargs):
     def get_dataset(self, key, info):
         """Load a dataset."""
         if self.channel != key["name"]:
-            return
+            raise ValueError(f"Requested channel {key['name']} does not match the reader channel {self.channel}")
 
         logger.debug("Reading %s.", key["name"])