From 2f5feedf1d705b53e5bf90c8b5207dd91f4522f1 Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Tue, 28 Apr 2015 17:24:24 -0700
Subject: Check all lseek calls succeed.

Also add missing TEMP_FAILURE_RETRYs on read, write, and lseek.

Bug: http://b/20625546
Change-Id: I03b198e11c1921b35518ee2dd005a7cfcf4fd94b
(cherry picked from commit 7bad7c4646ee8fd8d6e6ed0ffd3ddbb0c1b41a2f)
---
 ui.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'ui.cpp')

diff --git a/ui.cpp b/ui.cpp
index dca325f..1a0b079 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -251,7 +251,7 @@ bool RecoveryUI::IsUsbConnected() {
 
     char buf;
     // USB is connected if android_usb state is CONNECTED or CONFIGURED.
-    int connected = (read(fd, &buf, 1) == 1) && (buf == 'C');
+    int connected = (TEMP_FAILURE_RETRY(read(fd, &buf, 1)) == 1) && (buf == 'C');
     if (close(fd) < 0) {
         printf("failed to close /sys/class/android_usb/android0/state: %s\n",
                strerror(errno));
-- 
cgit v1.1