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MINOR: quic: Replace pool_zalloc() by pool_malloc() for fake datagrams

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These fake datagrams are only used by the low level I/O handler. They
are not provided to the "by connection" datagram handlers. This
is why they are not MT_LIST_APPEND()ed to the listner RX buffer list
(see &quic_dghdlrs[cid_tid].dgrams in quic_lstnr_dgram_dispatch().
Replace the call to pool_zalloc() to by the lighter call to pool_malloc()
and initialize only the ->buf and ->length members. This is safe because
only these fields are inspected by the low level I/O handler.
This commit is contained in:
Frédéric Lécaille 2022-08-08 21:10:58 +02:00
parent ffde3168fc
commit ba19acd822
1 changed files with 7 additions and 2 deletions
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9
src/quic_sock.c
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@ -317,7 +317,7 @@ void quic_sock_fd_iocb(int fd)
struct quic_dgram *dgram;
/* Do no mark <buf> as full, and do not try to consume it
* if the contiguous remmaining space is not at the end
* if the contiguous remaining space is not at the end
*/
if (b_tail(buf) + cspace < b_wrap(buf))
goto out;
@ -325,11 +325,16 @@ void quic_sock_fd_iocb(int fd)
/* Allocate a fake datagram, without data to locate
* the end of the RX buffer (required during purging).
*/
dgram = pool_zalloc(pool_head_quic_dgram);
dgram = pool_alloc(pool_head_quic_dgram);
if (!dgram)
goto out;
/* Initialize only the useful members of this fake datagram. */
dgram->buf = NULL;
dgram->len = cspace;
/* Append this datagram only to the RX buffer list. It will
* not be treated by any datagram handler.
*/
LIST_APPEND(&rxbuf->dgrams, &dgram->list);
/* Consume the remaining space */