CLEANUP: quic: Comments fix for qc_prep_(app)pkts() functions
Fix the comments for these two functions about their returned values.
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index 9b2e38c..7f3b02a 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -2456,7 +2456,8 @@
* <frms> list of prebuilt frames.
* A header made of two fields is added to each datagram: the datagram length followed
* by the address of the first packet in this datagram.
- * Returns 1 if succeeded, or 0 if something wrong happened.
+ * Returns the number of bytes prepared in packets if succeeded (may be 0),
+ * or -1 if something wrong happened.
*/
static int qc_prep_app_pkts(struct quic_conn *qc, struct qring *qr,
struct list *frms)
@@ -2576,7 +2577,8 @@
* several packets in the same datagram. A header made of two fields is added
* to each datagram: the datagram length followed by the address of the first
* packet in this datagram.
- * Returns 1 if succeeded, or 0 if something wrong happened.
+ * Returns the number of bytes prepared in packets if succeeded (may be 0),
+ * or -1 if something wrong happened.
*/
static int qc_prep_pkts(struct quic_conn *qc, struct qring *qr,
enum quic_tls_enc_level tel,