network plugin, libcollectdclient: Check return value of gcry_control().

[collectd.git] / src / libvirt.c

diff --git a/src/libvirt.c b/src/libvirt.c
index 87b71e6..4cbe38d 100644 (file)
--- a/src/libvirt.c
+++ b/src/libvirt.c
@@ -259,8 +259,8 @@ lv_init (void)
 {
     if (virInitialize () != 0)
         return -1;
-
-       return 0;
+    else
+        return 0;
 }
 
 static int
@@ -798,6 +798,9 @@ add_interface_device (virDomainPtr dom, const char *path, const char *address, u
     int new_size = sizeof (interface_devices[0]) * (nr_interface_devices+1);
     char *path_copy, *address_copy, number_string[15];
 
+    if ((path == NULL) || (address == NULL))
+        return EINVAL;
+
     path_copy = strdup (path);
     if (!path_copy) return -1;
 
@@ -833,6 +836,9 @@ ignore_device_match (ignorelist_t *il, const char *domname, const char *devpath)
     char *name;
     int n, r;
 
+    if ((domname == NULL) || (devpath == NULL))
+        return 0;
+
     n = sizeof (char) * (strlen (domname) + strlen (devpath) + 2);
     name = malloc (n);
     if (name == NULL) {