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BUG/MINOR: mux-h1: Fix a possible null pointer dereference in h1_subscribe()

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This patch fixes the github issue #243. No backport needed.
This commit is contained in:
Christopher Faulet 2019-09-04 10:22:34 +02:00
parent b066747107
commit 51bb185618
1 changed files with 2 additions and 1 deletions
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3
src/mux_h1.c
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@ -2382,7 +2382,7 @@ static int h1_subscribe(struct conn_stream *cs, int event_type, void *param)
{
struct wait_event *sw;
struct h1s *h1s = cs->ctx;
struct h1c *h1c = h1s->h1c;
struct h1c *h1c;
if (!h1s)
return -1;
@ -2405,6 +2405,7 @@ static int h1_subscribe(struct conn_stream *cs, int event_type, void *param)
* probably means the connection wasn't established
* yet, so we have to subscribe.
*/
h1c = h1s->h1c;
if (!(h1c->wait_event.events & SUB_RETRY_SEND))
h1c->conn->xprt->subscribe(h1c->conn,
h1c->conn->xprt_ctx,