Fix similar broken error handling on several serial calls.

[libsigrok.git] / src / hardware / agilent-dmm / api.c

diff --git a/src/hardware/agilent-dmm/api.c b/src/hardware/agilent-dmm/api.c
index e4240e623cdacbb0d76069e531a7bffd30963e66..b7ae7fb280d95ebace2ca9643d34b88107555dbc 100644 (file)
--- a/src/hardware/agilent-dmm/api.c
+++ b/src/hardware/agilent-dmm/api.c
@@ -116,9 +116,8 @@ static GSList *scan(GSList *options)
                return NULL;
 
        serial_flush(serial);
-       if (serial_write_blocking(serial, "*IDN?\r\n", 7) == -1) {
-               sr_err("Unable to send identification string: %s.",
-                      strerror(errno));
+       if (serial_write_blocking(serial, "*IDN?\r\n", 7) < 7) {
+               sr_err("Unable to send identification string.");
                return NULL;
        }