From d44c27c5ab71dbbcfcf4745977027502309dd795 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Tue, 16 Mar 2010 10:57:44 +0100 Subject: [PATCH] firmware: fix possible segfault when firmware device goes away while loading Thanks to Ruediger Oertel. --- extras/firmware/firmware.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/extras/firmware/firmware.c b/extras/firmware/firmware.c index 16455dec..92f0918c 100644 --- a/extras/firmware/firmware.c +++ b/extras/firmware/firmware.c @@ -63,8 +63,10 @@ static bool copy_firmware(struct udev *udev, const char *source, const char *tar if (fwrite(buf, size, 1, ftarget) == 1) ret = true; exit: - fclose(ftarget); - fclose(fsource); + if (ftarget != NULL) + fclose(ftarget); + if (fsource != NULL) + fclose(fsource); free(buf); return ret; } @@ -178,7 +180,8 @@ int main(int argc, char **argv) if (unlink(misspath) == 0) util_delete_path(udev, misspath); - set_loading(udev, loadpath, "1"); + if (!set_loading(udev, loadpath, "1")) + goto exit; util_strscpyl(datapath, sizeof(datapath), udev_get_sys_path(udev), devpath, "/data", NULL); if (!copy_firmware(udev, fwpath, datapath, statbuf.st_size)) { -- 2.39.5