scpi: Fix incorrect serial_read_nonblocking call().

[libsigrok.git] / src / scpi / scpi_serial.c

diff --git a/src/scpi/scpi_serial.c b/src/scpi/scpi_serial.c
index fae623ba646ad68170fd3257e4d6507cd0a14a93..cad41381595fb5f4739c88a9d6e7428adcfcc759 100644 (file)
--- a/src/scpi/scpi_serial.c
+++ b/src/scpi/scpi_serial.c
@@ -23,6 +23,7 @@
 #include <string.h>
 #include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
+#include "scpi.h"
 
 #define LOG_PREFIX "scpi_serial"
 
@@ -161,7 +162,7 @@ static int scpi_serial_read_data(void *priv, char *buf, int maxlen)
 
        /* Try to read new data into the buffer if there is space. */
        if (len > 0) {
-               ret = serial_read_nonblocking(sscpi->serial, sscpi->buffer + sscpi->read,
+               ret = serial_read_nonblocking(sscpi->serial, sscpi->buffer + sscpi->count,
                                BUFFER_SIZE - sscpi->count);
 
                if (ret < 0)