diff --git a/src/event/modules/ngx_aio_module.c b/src/event/modules/ngx_aio_module.c
index d1518eded..a4d40d828 100644
--- a/src/event/modules/ngx_aio_module.c
+++ b/src/event/modules/ngx_aio_module.c
@@ -73,7 +73,6 @@ ngx_module_t  ngx_aio_module = {
 };
 
 
-
 #if (NGX_HAVE_KQUEUE)
 
 static ngx_int_t
diff --git a/src/event/modules/ngx_devpoll_module.c b/src/event/modules/ngx_devpoll_module.c
index 657886268..3dd22303f 100644
--- a/src/event/modules/ngx_devpoll_module.c
+++ b/src/event/modules/ngx_devpoll_module.c
@@ -369,11 +369,7 @@ ngx_devpoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
     dvp.dp_timeout = timer;
     events = ioctl(dp, DP_POLL, &dvp);
 
-    if (events == -1) {
-        err = ngx_errno;
-    } else {
-        err = 0;
-    }
+    err = (events == -1) ? ngx_errno : 0;
 
     if (flags & NGX_UPDATE_TIME) {
         ngx_time_update(0, 0);
diff --git a/src/event/modules/ngx_epoll_module.c b/src/event/modules/ngx_epoll_module.c
index b3267b37d..75fc736e7 100644
--- a/src/event/modules/ngx_epoll_module.c
+++ b/src/event/modules/ngx_epoll_module.c
@@ -401,11 +401,7 @@ ngx_epoll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags)
 
     events = epoll_wait(ep, event_list, (int) nevents, timer);
 
-    if (events == -1) {
-        err = ngx_errno;
-    } else {
-        err = 0;
-    }
+    err = (events == -1) ? ngx_errno : 0;
 
     if (flags & NGX_UPDATE_TIME) {
         ngx_time_update(0, 0);
diff --git a/src/event/modules/ngx_kqueue_module.c b/src/event/modules/ngx_kqueue_module.c
index a84fc8fe1..7250830d3 100644
--- a/src/event/modules/ngx_kqueue_module.c
+++ b/src/event/modules/ngx_kqueue_module.c
@@ -113,7 +113,6 @@ ngx_module_t  ngx_kqueue_module = {
 };
 
 
-
 static ngx_int_t
 ngx_kqueue_init(ngx_cycle_t *cycle, ngx_msec_t timer)
 {
@@ -537,11 +536,7 @@ ngx_kqueue_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
 
     events = kevent(ngx_kqueue, change_list, n, event_list, (int) nevents, tp);
 
-    if (events == -1) {
-        err = ngx_errno;
-    } else {
-        err = 0;
-    }
+    err = (events == -1) ? ngx_errno : 0;
 
     if (flags & NGX_UPDATE_TIME) {
         ngx_time_update(0, 0);
diff --git a/src/event/modules/ngx_poll_module.c b/src/event/modules/ngx_poll_module.c
index db9c41945..e45942b91 100644
--- a/src/event/modules/ngx_poll_module.c
+++ b/src/event/modules/ngx_poll_module.c
@@ -260,11 +260,7 @@ ngx_poll_process_events(ngx_cycle_t *cycle, ngx_msec_t timer, ngx_uint_t flags)
 
     ready = poll(event_list, (u_int) nevents, (int) timer);
 
-    if (ready == -1) {
-        err = ngx_errno;
-    } else {
-        err = 0;
-    }
+    err = (ready == -1) ? ngx_errno : 0;
 
     if (flags & NGX_UPDATE_TIME) {
         ngx_time_update(0, 0);
diff --git a/src/event/modules/ngx_select_module.c b/src/event/modules/ngx_select_module.c
index a09712bfa..5d00ecfb9 100644
--- a/src/event/modules/ngx_select_module.c
+++ b/src/event/modules/ngx_select_module.c
@@ -260,11 +260,7 @@ ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
 
     ready = select(max_fd + 1, &work_read_fd_set, &work_write_fd_set, NULL, tp);
 
-    if (ready == -1) {
-        err = ngx_socket_errno;
-    } else {
-        err = 0;
-    }
+    err = (ready == -1) ? ngx_errno : 0;
 
     if (flags & NGX_UPDATE_TIME) {
         ngx_time_update(0, 0);
diff --git a/src/event/modules/ngx_win32_select_module.c b/src/event/modules/ngx_win32_select_module.c
index 768c60ccb..bfcc0e2e5 100644
--- a/src/event/modules/ngx_win32_select_module.c
+++ b/src/event/modules/ngx_win32_select_module.c
@@ -266,11 +266,7 @@ ngx_select_process_events(ngx_cycle_t *cycle, ngx_msec_t timer,
         ready = 0;
     }
 
-    if (ready == -1) {
-        err = ngx_socket_errno;
-    } else {
-        err = 0;
-    }
+    err = (ready == -1) ? ngx_socket_errno : 0;
 
     if (flags & NGX_UPDATE_TIME) {
         ngx_time_update(0, 0);