spi_read_write_io(): Fix buffer size test (#127)

bytes_to_write was tested twice by mistake.
BusPirate · Mar 9, 2019 · b580ca9 · b580ca9
1 parent 57f1767
commit b580ca9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Firmware/spi.c b/Firmware/spi.c
@@ -1011,7 +1011,7 @@ void spi_read_write_io(const bool engage_cs) {
 
 #ifndef BP_SPI_ENABLE_STREAMING_READ
   /* Make sure data fits in the internal buffer. */
-  if (bytes_to_write > BP_TERMINAL_BUFFER_SIZE) {
+  if (bytes_to_read > BP_TERMINAL_BUFFER_SIZE) {
     REPORT_IO_FAILURE();
     return;
   }