aio-posix: simplify aio_epoll_update
Extract common code out of the "if".
Reviewed-by: Fam Zheng <famz@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20161108135524.25927-3-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
diff --git a/aio-posix.c b/aio-posix.c
index 304b016..e13b9ab 100644
--- a/aio-posix.c
+++ b/aio-posix.c
@@ -81,29 +81,22 @@
{
struct epoll_event event;
int r;
+ int ctl;
if (!ctx->epoll_enabled) {
return;
}
if (!node->pfd.events) {
- r = epoll_ctl(ctx->epollfd, EPOLL_CTL_DEL, node->pfd.fd, &event);
- if (r) {
- aio_epoll_disable(ctx);
- }
+ ctl = EPOLL_CTL_DEL;
} else {
event.data.ptr = node;
event.events = epoll_events_from_pfd(node->pfd.events);
- if (is_new) {
- r = epoll_ctl(ctx->epollfd, EPOLL_CTL_ADD, node->pfd.fd, &event);
- if (r) {
- aio_epoll_disable(ctx);
- }
- } else {
- r = epoll_ctl(ctx->epollfd, EPOLL_CTL_MOD, node->pfd.fd, &event);
- if (r) {
- aio_epoll_disable(ctx);
- }
- }
+ ctl = is_new ? EPOLL_CTL_ADD : EPOLL_CTL_MOD;
+ }
+
+ r = epoll_ctl(ctx->epollfd, ctl, node->pfd.fd, &event);
+ if (r) {
+ aio_epoll_disable(ctx);
}
}