Don't assert over invalid channel args
diff --git a/src/core/ext/client_channel/client_channel.c b/src/core/ext/client_channel/client_channel.c
index 435a3ab..c986974 100644
--- a/src/core/ext/client_channel/client_channel.c
+++ b/src/core/ext/client_channel/client_channel.c
@@ -374,8 +374,7 @@
// resolver actually specified.
channel_arg =
grpc_channel_args_find(chand->resolver_result, GRPC_ARG_LB_ADDRESSES);
- if (channel_arg != NULL) {
- GPR_ASSERT(channel_arg->type == GRPC_ARG_POINTER);
+ if (channel_arg != NULL && channel_arg->type != GRPC_ARG_POINTER) {
grpc_lb_addresses *addresses = channel_arg->value.pointer.p;
bool found_backend_address = false;
for (size_t i = 0; i < addresses->num_addresses; ++i) {
@@ -643,14 +642,26 @@
// Record client channel factory.
const grpc_arg *arg = grpc_channel_args_find(args->channel_args,
GRPC_ARG_CLIENT_CHANNEL_FACTORY);
- GPR_ASSERT(arg != NULL);
- GPR_ASSERT(arg->type == GRPC_ARG_POINTER);
+ if (arg == NULL) {
+ return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+ "Missing client channel factory in args for client channel filter");
+ }
+ if (arg->type != GRPC_ARG_POINTER) {
+ return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+ "client channel factory arg must be a pointer");
+ }
grpc_client_channel_factory_ref(arg->value.pointer.p);
chand->client_channel_factory = arg->value.pointer.p;
// Get server name to resolve, using proxy mapper if needed.
arg = grpc_channel_args_find(args->channel_args, GRPC_ARG_SERVER_URI);
- GPR_ASSERT(arg != NULL);
- GPR_ASSERT(arg->type == GRPC_ARG_STRING);
+ if (arg == NULL) {
+ return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+ "Missing server uri in args for client channel filter");
+ }
+ if (arg->type != GRPC_ARG_STRING) {
+ return GRPC_ERROR_CREATE_FROM_STATIC_STRING(
+ "server uri arg must be a string");
+ }
char *proxy_name = NULL;
grpc_channel_args *new_args = NULL;
grpc_proxy_mappers_map_name(exec_ctx, arg->value.string, args->channel_args,