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MINOR: h2: always call h2s_detach() in h2_detach()

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The code is safer and more robust this way, it avoids multiple paths.
This is possible due to the idempotence of LIST_DEL() and eb32_delete()
that are called in h2s_detach().
This commit is contained in:
Willy Tarreau 2018-03-28 13:51:45 +02:00
parent 4a333d3d53
commit e323f3458c
1 changed files with 24 additions and 31 deletions
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9
src/mux_h2.c
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@ -2455,10 +2455,6 @@ static void h2_detach(struct conn_stream *cs)
if (h2s->flags & (H2_SF_BLK_MBUSY | H2_SF_BLK_MROOM | H2_SF_BLK_MFCTL))
return;
/* the stream could be in the send list */
LIST_DEL(&h2s->list);
LIST_INIT(&h2s->list);
if ((h2c->flags & H2_CF_DEM_BLOCK_ANY && h2s->id == h2c->dsi) ||
(h2c->flags & H2_CF_MUX_BLOCK_ANY && h2s->id == h2c->msi)) {
/* unblock the connection if it was blocked on this
@ -2470,9 +2466,8 @@ static void h2_detach(struct conn_stream *cs)
conn_xprt_want_send(cs->conn);
}
if (h2s->by_id.node.leaf_p) {
/* h2s still attached to the h2c */
h2s_detach(h2s);
h2s_free(h2s);
/* We don't want to close right now unless we're removing the
* last stream, and either the connection is in error, or it
@ -2497,8 +2492,6 @@ static void h2_detach(struct conn_stream *cs)
h2c->task->expire = TICK_ETERNITY;
}
}
h2s_free(h2s);
}
static void h2_shutr(struct conn_stream *cs, enum cs_shr_mode mode)
{