gator: Version 5.115.11

Signed-off-by: Drew Richardson <drew.richardson@arm.com>

1 files changed, 2 insertions, 3 deletions

diff --git a/daemon/Fifo.cpp b/daemon/Fifo.cpp
index 3d53024..191536f 100644
--- a/daemon/Fifo.cpp
+++ b/daemon/Fifo.cpp
@@ -48,7 +48,7 @@ char* Fifo::start() {
 }
 
 bool Fifo::isEmpty() {
-	return mRead == mWrite;
+	return mRead == mWrite && mRaggedEnd == 0;
 }
 
 bool Fifo::isFull() {
@@ -56,8 +56,7 @@ bool Fifo::isFull() {
 }
 
 // Determines if the buffer will fill assuming 'additional' bytes will be added to the buffer
-// comparisons use '<', read and write pointers must never equal when not empty
-// 'full' means there is less than singleBufferSize bytes available; it does not mean there are zero bytes available
+// 'full' means there is less than singleBufferSize bytes available contiguously; it does not mean there are zero bytes available
 bool Fifo::willFill(int additional) {
 	if (mWrite > mRead) {
 		if (numBytesFilled() + additional < mWrapThreshold) {