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BUILD: quic: Add a DISGUISE() to please some compiler to qc_prep_hpkts() 1st parameter

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Some compiler could complain with such a warning:
  src/quic_conn.c:3700:44: warning: potential null pointer dereference [-Wnull-dereference]
   3700 |                                 frms = &qel->pktns->tx.frms;

It could not figure out that <qel> could not be NULL at this location.
This is fixed calling qc_prep_hpkts() with a disguise 1st parameter.
This commit is contained in:
Frdric Lcaille 2023-06-30 18:37:18 +02:00 committed by Willy Tarreau
parent 7f3c1bef37
commit 36e6c8aa4b
1 changed files with 4 additions and 1 deletions
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5
src/quic_conn.c
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@ -3696,6 +3696,9 @@ static int qc_prep_pkts(struct quic_conn *qc, struct buffer *buf,
next_tel = QUIC_TLS_ENC_LEVEL_APP;
tel = next_tel;
qel = qc_quic_enc_level(qc, tel);
/* Note that we cannot NULL as value for <qel> when for the Application
* data encryption level. Furthermore this encryption is never released.
*/
if (tel == QUIC_TLS_ENC_LEVEL_APP)
frms = &qel->pktns->tx.frms;
else
@ -5164,7 +5167,7 @@ struct task *quic_conn_io_cb(struct task *t, void *context, unsigned int state)
b_reset(buf);
ret = qc_prep_hpkts(qc, buf,
qc_quic_enc_level(qc, tel),
DISGUISE(qc_quic_enc_level(qc, tel)),
qc_quic_enc_level(qc, next_tel));
if (ret == -1) {
qc_txb_release(qc);