Fix: Don't allocate buffers if we don't need to

1 files changed, 6 insertions, 1 deletions

diff --git a/gatchat/gatserver.c b/gatchat/gatserver.c
index 5b5e2f74..05392e9a 100644
--- a/gatchat/gatserver.c
+++ b/gatchat/gatserver.c
@@ -136,7 +136,12 @@ static void send_common(GAtServer *server, const char *buf, unsigned int len)
 							buf + bytes_written,
 							wbytes);
 
-		if (ring_buffer_avail(write_buf) == 0)
+		/*
+		 * Make sure we don't allocate a buffer if we've written
+		 * everything out already
+		 */
+		if (ring_buffer_avail(write_buf) == 0 &&
+				bytes_written < towrite)
 			write_buf = allocate_next(server);
 	}