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-rw-r--r--tmk_core/protocol/ibm4704.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tmk_core/protocol/ibm4704.c b/tmk_core/protocol/ibm4704.c
index fd8fc4dbd..a19443976 100644
--- a/tmk_core/protocol/ibm4704.c
+++ b/tmk_core/protocol/ibm4704.c
@@ -161,7 +161,9 @@ ISR(IBM4704_INT_VECT) {
case STOP:
// Data:Low
WAIT(data_lo, 100, state);
- rbuf_enqueue(data);
+ if (!rbuf_enqueue(data)) {
+ print("rbuf: full\n");
+ }
ibm4704_error = IBM4704_ERR_NONE;
goto DONE;
break;