Merge branch 'collectd-5.4' into collectd-5.5

[collectd.git] / src / battery.c

diff --git a/src/battery.c b/src/battery.c
index f106da0..c4c050d 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;
        }
@@ -553,7 +556,7 @@ static int read_acpi_full_capacity (char const *dir, /* {{{ */
 
        ssnprintf (filename, sizeof (filename), "%s/%s/info", dir, power_supply);
        fh = fopen (filename, "r");
-       if ((fh = fopen (filename, "r")) == NULL)
+       if (fh == NULL)
                return (errno);
 
        /* last full capacity:      40090 mWh */
@@ -612,7 +615,7 @@ static int read_acpi_callback (char const *dir, /* {{{ */
 
        ssnprintf (filename, sizeof (filename), "%s/%s/state", dir, power_supply);
        fh = fopen (filename, "r");
-       if ((fh = fopen (filename, "r")) == NULL)
+       if (fh == NULL)
        {
                if ((errno == EAGAIN) || (errno == EINTR) || (errno == ENOENT))
                        return (0);