From 3fa5602f758dee5e405587ef5762df025bfcc57f Mon Sep 17 00:00:00 2001
From: Dean Lee <deanlee3@gmail.com>
Date: Mon, 4 Jan 2021 17:17:52 +0800
Subject: [PATCH] should not break if poll timeout (#19578)

old-commit-hash: 37826c00324cc8f9c9eae9650cafc0df6c838ebe
---
 selfdrive/camerad/cameras/camera_qcom.cc  | 2 +-
 selfdrive/camerad/cameras/camera_qcom2.cc | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/selfdrive/camerad/cameras/camera_qcom.cc b/selfdrive/camerad/cameras/camera_qcom.cc
index d20a6c7ab7..79f84f5b59 100644
--- a/selfdrive/camerad/cameras/camera_qcom.cc
+++ b/selfdrive/camerad/cameras/camera_qcom.cc
@@ -2148,7 +2148,7 @@ void cameras_run(MultiCameraState *s) {
     fds[1].events = POLLPRI;
 
     int ret = poll(fds, ARRAYSIZE(fds), 1000);
-    if (ret <= 0) {
+    if (ret < 0) {
       if (errno == EINTR || errno == EAGAIN) continue;
       LOGE("poll failed (%d - %d)", ret, errno);
       break;
diff --git a/selfdrive/camerad/cameras/camera_qcom2.cc b/selfdrive/camerad/cameras/camera_qcom2.cc
index 9ea7620587..b45c094f47 100644
--- a/selfdrive/camerad/cameras/camera_qcom2.cc
+++ b/selfdrive/camerad/cameras/camera_qcom2.cc
@@ -1167,7 +1167,7 @@ void cameras_run(MultiCameraState *s) {
     fds[0].events = POLLPRI;
 
     int ret = poll(fds, ARRAYSIZE(fds), 1000);
-    if (ret <= 0) {
+    if (ret < 0) {
       if (errno == EINTR || errno == EAGAIN) continue;
       LOGE("poll failed (%d - %d)", ret, errno);
       break;