From: Markus Armbruster Date: Mon, 22 Jun 2020 09:42:27 +0000 (+0200) Subject: sd/milkymist-memcard: Fix error API violation X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=953cd66139b6e28fdc7cdbf28065a0a98ce7877c;p=qmiga%2Fqemu.git sd/milkymist-memcard: Fix error API violation The Error ** argument must be NULL, &error_abort, &error_fatal, or a pointer to a variable containing NULL. Passing an argument of the latter kind twice without clearing it in between is wrong: if the first call sets an error, it no longer points to NULL for the second call. milkymist_memcard_realize() is wrong that way: it passes &err to qdev_prop_set_drive_err() and qdev_realize_and_unref(). Currently harmless, because the latter uses it only as first argument of error_propagate(). Making qdev_prop_set_drive_err() fail involves abuse of -global. Leave handling that to qdev_prop_set_drive(), like we do elsewhere. Cc: Michael Walle Signed-off-by: Markus Armbruster Message-Id: <20200622094227.1271650-17-armbru@redhat.com> Reviewed-by: Philippe Mathieu-Daudé --- diff --git a/hw/sd/milkymist-memcard.c b/hw/sd/milkymist-memcard.c index 1c23310715..482e97191e 100644 --- a/hw/sd/milkymist-memcard.c +++ b/hw/sd/milkymist-memcard.c @@ -279,7 +279,7 @@ static void milkymist_memcard_realize(DeviceState *dev, Error **errp) dinfo = drive_get_next(IF_SD); blk = dinfo ? blk_by_legacy_dinfo(dinfo) : NULL; carddev = qdev_new(TYPE_SD_CARD); - qdev_prop_set_drive_err(carddev, "drive", blk, &err); + qdev_prop_set_drive(carddev, "drive", blk); qdev_realize_and_unref(carddev, BUS(&s->sdbus), &err); if (err) { error_setg(errp, "failed to init SD card: %s", error_get_pretty(err));