commit d71d4cc6803dcd57ae1abeb51fcba9993f24970c
author Wayne Piekarski <waynepie@google.com> Tue Dec 20 00:59:02 2022 +0000
committer CQ Bot <fuchsia-internal-scoped@luci-project-accounts.iam.gserviceaccount.com> Tue Dec 20 00:59:02 2022 +0000
tree 3895b08f84749337063788bfee2854f8b0f080ea
parent 69b44210d4cc5585cc7b60aad8f73c0c3a861089

[qemu_edu] Add more details to error messages in eductl

Change-Id: Id74715e417f078450d556d7a7caf778d730f26ab
Reviewed-on: https://fuchsia-review.googlesource.com/c/sdk-samples/drivers/+/778725
Reviewed-by: Wayne Piekarski <waynepie@google.com>
Reviewed-by: Renato Mangini Dias <mangini@google.com>
Commit-Queue: Wayne Piekarski <waynepie@google.com>

src/qemu_edu/tools/eductl.cc

diff --git a/src/qemu_edu/tools/eductl.cc b/src/qemu_edu/tools/eductl.cc
index 2f1ff75..d5b069a 100644
--- a/src/qemu_edu/tools/eductl.cc
+++ b/src/qemu_edu/tools/eductl.cc
@@ -78,13 +78,13 @@
 fidl::WireSyncClient<examples_qemuedu::Device> OpenDevice() {
   auto device_path = SearchDevicePath();
   if (!device_path.has_value()) {
-    fprintf(stderr, "Unable to locate qemu-edu device path.\n");
+    fprintf(stderr, "Unable to locate %s device path in search of %s/*/\n", kEduDevicePath, kDevfsRootPath);
     return {};
   }
   int device = open(device_path.value().c_str(), O_RDWR);
 
   if (device < 0) {
-    fprintf(stderr, "Failed to open qemu edu device: %s\n", strerror(errno));
+    fprintf(stderr, "Failed to open qemu-edu device %s: %s\n", device_path.value().c_str(), strerror(errno));
     return {};
   }