Fixes

src/core/lib/channel/http_server_filter.c

@@ -126,7 +126,7 @@ static grpc_mdelem server_filter(grpc_exec_ctx *exec_ctx, void *user_data,
     } else if (grpc_mdelem_eq(md, GRPC_MDELEM_METHOD_GET)) {
       calld->seen_method = 1;
       *calld->recv_cacheable_request = true;
-    } else if (grpc_slice_cmp(GRPC_MDKEY(md), GRPC_MDSTR_SCHEME)) {
+    } else if (grpc_slice_cmp(GRPC_MDKEY(md), GRPC_MDSTR_SCHEME) == 0) {
       calld->seen_scheme = 1;
     } else if (grpc_mdelem_eq(md, GRPC_MDELEM_TE_TRAILERS)) {
       calld->seen_te_trailers = 1;

src/core/lib/surface/call.c

@@ -601,8 +601,8 @@ static int prepare_application_metadata(
       gpr_log(GPR_ERROR, "attempt to send invalid metadata key: %s", str);
       gpr_free(str);
       break;
-    } else if (!grpc_is_binary_header(md->value) &&
-               !grpc_header_nonbin_value_is_legal(GRPC_MDVALUE(l->md))) {
+    } else if (!grpc_is_binary_header(md->key) &&
+               !grpc_header_nonbin_value_is_legal(md->value)) {
       char *str = grpc_dump_slice(md->value, GPR_DUMP_HEX | GPR_DUMP_ASCII);
       gpr_log(GPR_ERROR, "attempt to send invalid metadata value: %s", str);
       gpr_free(str);