Merge remote-tracking branch 'remotes/kraxel/tags/pull-usb-20160914-1' into staging

[qemu.git] / hw / usb / ccid-card-passthru.c

diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c
index c0e90e501c996bd510ee22a3dbcc7da0a9712757..2eacea72f3f3ecf9a0056b647c9285ebb35757d7 100644 (file)
--- a/hw/usb/ccid-card-passthru.c
+++ b/hw/usb/ccid-card-passthru.c
@@ -75,8 +75,11 @@ static void ccid_card_vscard_send_msg(PassthruState *s,
     scr_msg_header.type = htonl(type);
     scr_msg_header.reader_id = htonl(reader_id);
     scr_msg_header.length = htonl(length);
-    qemu_chr_fe_write(s->cs, (uint8_t *)&scr_msg_header, sizeof(VSCMsgHeader));
-    qemu_chr_fe_write(s->cs, payload, length);
+    /* XXX this blocks entire thread. Rewrite to use
+     * qemu_chr_fe_write and background I/O callbacks */
+    qemu_chr_fe_write_all(s->cs, (uint8_t *)&scr_msg_header,
+                          sizeof(VSCMsgHeader));
+    qemu_chr_fe_write_all(s->cs, payload, length);
 }
 
 static void ccid_card_vscard_send_apdu(PassthruState *s,