[Qemu-block] [PATCH 1/6] curl: Keep pointer to the CURLState in CURLSocket

[Max Reitz]

A follow-up patch will make curl_multi_do() and curl_multi_read() take a
CURLSocket instead of the CURLState.  They still need the latter,
though, so add a pointer to it to the former.

Cc: qemu-sta...@nongnu.org
Signed-off-by: Max Reitz <mre...@redhat.com>
---
 block/curl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/block/curl.c b/block/curl.c
index d4c8e94f3e..92dc2f630e 100644
--- a/block/curl.c
+++ b/block/curl.c
@@ -80,6 +80,7 @@ static CURLMcode __curl_multi_socket_action(CURLM 
*multi_handle,
 #define CURL_BLOCK_OPT_TIMEOUT_DEFAULT 5
 
 struct BDRVCURLState;
+struct CURLState;
 
 static bool libcurl_initialized;
 
@@ -97,6 +98,7 @@ typedef struct CURLAIOCB {
 
 typedef struct CURLSocket {
     int fd;
+    struct CURLState *state;
     QLIST_ENTRY(CURLSocket) next;
 } CURLSocket;
 
@@ -180,6 +182,7 @@ static int curl_sock_cb(CURL *curl, curl_socket_t fd, int 
action,
     if (!socket) {
         socket = g_new0(CURLSocket, 1);
         socket->fd = fd;
+        socket->state = state;
         QLIST_INSERT_HEAD(&state->sockets, socket, next);
     }
     socket = NULL;
-- 
2.21.0