X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fbackend.c;h=a88459ac50f7eaaf123210ddb2fe8303b65ad394;hb=f396351704d6875f72c858a3e16aa698b64ecc43;hp=beb5a8525b4bff4145d8030a2775a27bbb00ca86;hpb=42be2adb5ab329a0b22d9df392d8eca84d5d9acf;p=libsigrok.git

diff --git a/src/backend.c b/src/backend.c
index beb5a852..a88459ac 100644
--- a/src/backend.c
+++ b/src/backend.c
@@ -309,7 +309,10 @@ static int sanity_check_all_drivers(const struct sr_context *ctx)
 			sr_err("No dev_list in driver %d ('%s').", i, d);
 			errors++;
 		}
-		/* Note: dev_clear() is optional. */
+		if (!drivers[i]->dev_clear) {
+			sr_err("No dev_clear in driver %d ('%s').", i, d);
+			errors++;
+		}
 		/* Note: config_get() is optional. */
 		if (!drivers[i]->config_set) {
 			sr_err("No config_set in driver %d ('%s').", i, d);
@@ -537,22 +540,22 @@ SR_API int sr_init(struct sr_context **ctx)
 
 	if (sanity_check_all_drivers(context) < 0) {
 		sr_err("Internal driver error(s), aborting.");
-		return ret;
+		goto done;
 	}
 
 	if (sanity_check_all_input_modules() < 0) {
 		sr_err("Internal input module error(s), aborting.");
-		return ret;
+		goto done;
 	}
 
 	if (sanity_check_all_output_modules() < 0) {
 		sr_err("Internal output module error(s), aborting.");
-		return ret;
+		goto done;
 	}
 
 	if (sanity_check_all_transform_modules() < 0) {
 		sr_err("Internal transform module error(s), aborting.");
-		return ret;
+		goto done;
 	}
 
 #ifdef _WIN32
@@ -577,9 +580,7 @@ SR_API int sr_init(struct sr_context **ctx)
 	context = NULL;
 	ret = SR_OK;
 
-#if defined(HAVE_LIBUSB_1_0) || defined(_WIN32)
 done:
-#endif
 	g_free(context);
 	return ret;
 }