cec-compliance: abort when no remote devices were found

These tests expect that at least one remote device is found.
If not, exit with an error.

Continuing without any remote devices will give weird unexpected
errors, so check for this early on.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/utils/cec-compliance/cec-compliance.cpp b/utils/cec-compliance/cec-compliance.cpp
index 0d3a373b..ad81d80e 100644
--- a/utils/cec-compliance/cec-compliance.cpp
+++ b/utils/cec-compliance/cec-compliance.cpp
@@ -1308,6 +1308,11 @@ int main(int argc, char **argv)
 	printf("Find remote devices:\n");
 	printf("\tPolling: %s\n", ok(poll_remote_devs(&node)));
 
+	if (!node.remote_la_mask) {
+		printf("\nFAIL: No remote devices found, exiting.\n");
+		exit(1);
+	}
+
 	if (options[OptTestAdapter])
 		testAdapter(node, laddrs, device);
 	printf("\n");