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client: avoid possible NULL deref on error path

Browse source 
https://github.com/warmcat/libwebsockets/issues/672
This commit is contained in:
Andy Green 2016-12-12 20:37:28 +08:00
parent ed4acef481
commit 023ac896e9
1 changed files with 3 additions and 2 deletions
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5
lib/client-handshake.c
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@ -303,8 +303,9 @@ lws_client_connect_2(struct lws *wsi)
oom4:
/* we're closing, losing some rx is OK */
wsi->u.hdr.ah->rxpos = wsi->u.hdr.ah->rxlen;
//lwsl_err("%d\n", wsi->mode);
if (wsi->u.hdr.ah)
wsi->u.hdr.ah->rxpos = wsi->u.hdr.ah->rxlen;
if (wsi->mode == LWSCM_HTTP_CLIENT) {
wsi->vhost->protocols[0].callback(wsi,
LWS_CALLBACK_CLIENT_CONNECTION_ERROR,