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Assorted fixes.

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Found by Clang Static Analyzer.
This commit is contained in:
Sergey Kandaurov 2020-05-20 15:36:24 +03:00
parent 04efd355aa
commit 51e4e31a8d
3 changed files with 5 additions and 5 deletions
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5
src/event/ngx_event_quic.c
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@ -1081,6 +1081,7 @@ ngx_quic_input_handler(ngx_event_t *rev)
ngx_quic_connection_t *qc;
static u_char buf[NGX_QUIC_DEFAULT_MAX_PACKET_SIZE];
ngx_memzero(&b, sizeof(ngx_buf_t));
b.start = buf;
b.end = buf + sizeof(buf);
b.pos = b.last = b.start;
@ -1438,8 +1439,6 @@ ngx_quic_retry_input(ngx_connection_t *c, ngx_quic_header_t *pkt)
c->log->action = "retrying quic connection";
qc = c->quic;
if (ngx_buf_size(pkt->raw) < NGX_QUIC_MIN_INITIAL_SIZE) {
ngx_log_error(NGX_LOG_INFO, c->log, 0,
"quic UDP datagram is too small for initial packet");
@ -3243,7 +3242,6 @@ ngx_quic_retransmit(ngx_connection_t *c, ngx_quic_send_ctx_t *ctx,
qc = c->quic;
now = ngx_current_msec;
wait = 0;
if (ngx_queue_empty(&ctx->sent)) {
*waitp = 0;
@ -3949,6 +3947,7 @@ ngx_quic_free_frame(ngx_connection_t *c, ngx_quic_frame_t *frame)
if (frame->data) {
ngx_free(frame->data);
frame->data = NULL;
}
ngx_queue_insert_head(&qc->free_frames, &frame->queue);

3
src/event/ngx_event_quic_protection.c
View File

@ -914,6 +914,7 @@ ngx_quic_create_retry_packet(ngx_quic_header_t *pkt, ngx_str_t *res)
ad.len = ngx_quic_create_retry_itag(pkt, ad.data, &start);
itag.data = ad.data + ad.len;
itag.len = EVP_GCM_TLS_TAG_LEN;
#ifdef NGX_QUIC_DEBUG_CRYPTO
ngx_quic_hexdump(pkt->log, "quic retry itag", ad.data, ad.len);
@ -960,7 +961,7 @@ ngx_quic_parse_pn(u_char **pos, ngx_int_t len, u_char *mask,
*pos = p;
expected_pn = *largest_pn + 1;
pn_win = 1 << pn_nbits;
pn_win = 1ULL << pn_nbits;
pn_hwin = pn_win / 2;
pn_mask = pn_win - 1;

2
src/http/v3/ngx_http_v3_request.c
View File

@ -618,7 +618,7 @@ ngx_http_v3_create_header(ngx_http_request_t *r)
b = ngx_create_temp_buf(c->pool, len);
if (b == NULL) {
NULL;
return NULL;
}
*b->last++ = NGX_HTTP_V3_FRAME_DATA;