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plat win be robust against NULL wsi_from_fd

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After "haitetra"

https://github.com/warmcat/libwebsockets/issues/343

Signed-off-by: Andy Green <andy.green@linaro.org>
This commit is contained in:
Andy Green 2015-11-13 10:14:50 +08:00
parent 9ffb42efec
commit 46d9b8e06f
1 changed files with 3 additions and 1 deletions
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4
lib/lws-plat-win.c
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@ -142,6 +142,7 @@ lws_plat_service(struct libwebsocket_context *context, int timeout_ms)
DWORD ev;
WSANETWORKEVENTS networkevents;
struct libwebsocket_pollfd *pfd;
struct libwebsocket *wsi;
/* stay dead once we are dead */
@ -157,7 +158,8 @@ lws_plat_service(struct libwebsocket_context *context, int timeout_ms)
continue;
if (pfd->events & LWS_POLLOUT) {
if (wsi_from_fd(context,pfd->fd)->sock_send_blocking)
wsi = wsi_from_fd(context, pfd->fd);
if (!wsi || wsi->sock_send_blocking)
continue;
pfd->revents = LWS_POLLOUT;
n = libwebsocket_service_fd(context, pfd);