battery plugin: Fix type in a warning.

[collectd.git] / src / battery.c

diff --git a/src/battery.c b/src/battery.c
index 9b060dd9286cc692f03cd8205121868fe0f786ae..c501a301d143a48920f32a55317701b0d769a381 100644 (file)
--- a/src/battery.c
+++ b/src/battery.c
@@ -556,7 +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 */
@@ -615,7 +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);
@@ -797,7 +797,7 @@ static int battery_read (void) /* {{{ */
        if (status == 0)
                return (0);
 
-       ERROR ("battery plugin: Add available input methods failed.");
+       ERROR ("battery plugin: All available input methods failed.");
        return (-1);
 } /* }}} int battery_read */
 #endif /* KERNEL_LINUX */