Fix signed / unsigned comparison errors.

[collectd.git] / src / ted.c

diff --git a/src/ted.c b/src/ted.c
index 5dd75bc..e76b3c9 100644 (file)
--- a/src/ted.c
+++ b/src/ted.c
@@ -147,7 +147,7 @@ static int ted_read_value(double *ret_power, double *ret_voltage)
             WARNING ("ted plugin: Received EOF from file descriptor.");
             return (-1);
         }
-        else if (receive_buffer_length > sizeof (receive_buffer))
+        else if (((size_t) receive_buffer_length) > sizeof (receive_buffer))
         {
             ERROR ("ted plugin: read(2) returned invalid value %zi.",
                     receive_buffer_length);