Remove unnecessary codes
diff --git a/src/core/ext/resolver/dns/c_ares/grpc_ares_ev_driver_posix.c b/src/core/ext/resolver/dns/c_ares/grpc_ares_ev_driver_posix.c
index c918777..188fc5f 100644
--- a/src/core/ext/resolver/dns/c_ares/grpc_ares_ev_driver_posix.c
+++ b/src/core/ext/resolver/dns/c_ares/grpc_ares_ev_driver_posix.c
@@ -90,6 +90,7 @@
fd_pair dummy_head;
fd_pair *node;
fd_pair *ret;
+
dummy_head.next = *head;
node = &dummy_head;
while (node->next != NULL) {
@@ -106,6 +107,7 @@
static void driver_cb(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {
grpc_ares_ev_driver *d = arg;
size_t i;
+
if (error == GRPC_ERROR_NONE) {
for (i = 0; i < ARES_GETSOCK_MAXNUM; i++) {
ares_process_fd(
@@ -132,15 +134,15 @@
ares_getsock(ev_driver->channel, ev_driver->socks, ARES_GETSOCK_MAXNUM);
grpc_closure_init(&ev_driver->driver_closure, driver_cb, ev_driver);
for (i = 0; i < ARES_GETSOCK_MAXNUM; i++) {
- char *final_name;
- gpr_asprintf(&final_name, "ares_ev_driver-%" PRIuPTR, i);
+ char *fd_name;
+ gpr_asprintf(&fd_name, "ares_ev_driver-%" PRIuPTR, i);
if (ARES_GETSOCK_READABLE(ev_driver->bitmask, i) ||
ARES_GETSOCK_WRITABLE(ev_driver->bitmask, i)) {
fd_pair *fdp = get_fd(&ev_driver->fds, ev_driver->socks[i]);
if (!fdp) {
fdp = gpr_malloc(sizeof(fd_pair));
- fdp->grpc_fd = grpc_fd_create(ev_driver->socks[i], final_name);
+ fdp->grpc_fd = grpc_fd_create(ev_driver->socks[i], fd_name);
fdp->fd = ev_driver->socks[i];
grpc_pollset_set_add_fd(exec_ctx, ev_driver->pollset_set,
fdp->grpc_fd);
@@ -157,13 +159,13 @@
&ev_driver->driver_closure);
}
}
- gpr_free(final_name);
+ gpr_free(fd_name);
}
}
while (ev_driver->fds != NULL) {
fd_pair *cur;
- // int fd;s
+
cur = ev_driver->fds;
ev_driver->fds = ev_driver->fds->next;
grpc_pollset_set_del_fd(exec_ctx, ev_driver->pollset_set, cur->grpc_fd);