From 9c9169a9727a658c2e8e911b14a35c1525e08ca6 Mon Sep 17 00:00:00 2001
From: Arnaud Ferraris <arnaud.ferraris@gmail.com>
Date: Sun, 13 Dec 2020 00:55:22 +0100
Subject: [PATCH] manager: get rid of compiler warnings

---
 src/manager.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/manager.c b/src/manager.c
index bc90985..26e0d67 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -159,7 +159,7 @@ int main(int argc, char *argv[])
 {
     struct EG25Manager manager;
     char compatible[32];
-    int fd;
+    int fd, ret;
 
     memset(&manager, 0, sizeof(manager));
     manager.at_fd = -1;
@@ -172,8 +172,8 @@ int main(int argc, char *argv[])
         g_critical("Unable to read 'compatible' string from device tree");
         return 1;
     }
-    read(fd, compatible, sizeof(compatible));
-    if (!strstr(compatible, "pine64,pinephone-1.2"))
+    ret = read(fd, compatible, sizeof(compatible));
+    if (ret > 0 && !strstr(compatible, "pine64,pinephone-1.2"))
         manager.braveheart = TRUE;
     close(fd);