netcmd plugin: Implement the "TLSDHBits" config option.

[collectd.git] / src / battery.c

diff --git a/src/battery.c b/src/battery.c
index f106da0..9b060dd 100644 (file)
--- a/src/battery.c
+++ b/src/battery.c
@@ -416,10 +416,13 @@ static int sysfs_file_to_buffer(char const *dir, /* {{{ */
 
        if (fgets (buffer, buffer_size, fp) == NULL)
        {
-               char errbuf[1024];
                status = errno;
-               WARNING ("battery plugin: fgets failed: %s",
-                               sstrerror (status, errbuf, sizeof (errbuf)));
+               if (status != ENODEV)
+               {
+                       char errbuf[1024];
+                       WARNING ("battery plugin: fgets (%s) failed: %s", filename,
+                                       sstrerror (status, errbuf, sizeof (errbuf)));
+               }
                fclose (fp);
                return status;
        }