From 4acdba7ad690e8909c1f3d882fa8ec10864e5514 Mon Sep 17 00:00:00 2001
From: Alastair Poole <alastair.poole@int6.co.uk>
Date: Sun, 8 Sep 2019 22:10:56 +0100
Subject: [PATCH] disks: Check fopen return value.

---
 src/disks.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/disks.c b/src/disks.c
index 607d2b6..5b0afbc 100644
--- a/src/disks.c
+++ b/src/disks.c
@@ -50,6 +50,9 @@ disk_mount_point_get(const char *path)
    char *start, *end;
    FILE *f = fopen("/proc/mounts", "r");
 
+   if (!f)
+     return NULL;
+
    while ((fgets(buf, sizeof(buf), f)) != NULL)
      {
         start = &buf[0];