From a54d020c97c069697bc59c1e566fa5e7bd4db45e Mon Sep 17 00:00:00 2001 From: Bastien Nocera Date: Thu, 11 Oct 2018 17:19:21 +0200 Subject: [PATCH] lib: Make fp_get_pollfds() fail when fp_init() wasn't called So things can't be called out-of-order. --- libfprint/fpi-poll.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/libfprint/fpi-poll.c b/libfprint/fpi-poll.c index e416c96..2f2d1f1 100644 --- a/libfprint/fpi-poll.c +++ b/libfprint/fpi-poll.c @@ -418,6 +418,8 @@ API_EXPORTED ssize_t fp_get_pollfds(struct fp_pollfd **pollfds) ssize_t cnt = 0; size_t i = 0; + g_return_val_if_fail (fpi_usb_ctx != NULL, -EIO); + usbfds = libusb_get_pollfds(fpi_usb_ctx); if (!usbfds) { *pollfds = NULL;