From patchwork Fri Jun 26 14:49:24 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 488889 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id A21E71400A0 for ; Sat, 27 Jun 2015 01:14:23 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=hUYGRr+y; dkim-atps=neutral Received: from localhost ([::1]:60626 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8VKf-0003r8-MC for incoming@patchwork.ozlabs.org; Fri, 26 Jun 2015 11:14:21 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57264) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8Uxu-00053J-Aq for qemu-devel@nongnu.org; Fri, 26 Jun 2015 10:50:51 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Z8Uxt-0002K5-6k for qemu-devel@nongnu.org; Fri, 26 Jun 2015 10:50:50 -0400 Received: from mail-qk0-x236.google.com ([2607:f8b0:400d:c09::236]:35783) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Z8Uxs-0002Jz-N0 for qemu-devel@nongnu.org; Fri, 26 Jun 2015 10:50:48 -0400 Received: by qkbp125 with SMTP id p125so56289341qkb.2 for ; Fri, 26 Jun 2015 07:50:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-type:content-transfer-encoding; bh=vqaHUxLawwlWrfbiIkdtiLFhqzzhPl96DId+BxVQRc0=; b=hUYGRr+yKBhCVo9DHaPwZz4kqrsEdupFTBzBRRrg5iIIEZMdEvV2H7NKe4ONdZdMve axaVoWOVEi0FOpCprzu8qahMzutb3DkFKb8MiiEERLTPfsEdxf5D9HGbhU1qcIPG8n3T 4qv/d4Bz+YzJJa6ncJD8u5QW4CgXyB5vsfUNqYpHIQmrSjNoJVTW9XS0nuj43aEt6ZkC XgeqGy2osu3tSY/bBKFiCSfIaPdI8Ct/NbspuEMHXUzeDQ5RHnU+xFNPTMXBTNoygCa+ /A1MK4aqi3AfCcXlI4fmEWP6hGlERonhonafmFrlhjeP+v9SIK/ylQecMIN2z/OTt++G slMQ== X-Received: by 10.140.149.76 with SMTP id 73mr2930081qhv.94.1435330248343; Fri, 26 Jun 2015 07:50:48 -0700 (PDT) Received: from localhost (bne75-h02-31-39-163-232.dsl.sta.abo.bbox.fr. [31.39.163.232]) by mx.google.com with ESMTPSA id i7sm6969256qge.32.2015.06.26.07.50.46 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 26 Jun 2015 07:50:47 -0700 (PDT) From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Fri, 26 Jun 2015 16:49:24 +0200 Message-Id: <1435330185-23248-19-git-send-email-marcandre.lureau@gmail.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1435330185-23248-1-git-send-email-marcandre.lureau@gmail.com> References: <1435330185-23248-1-git-send-email-marcandre.lureau@gmail.com> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2607:f8b0:400d:c09::236 Cc: cam@cs.ualberta.ca, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , stefanha@redhat.com Subject: [Qemu-devel] [PATCH 18/39] ivshmem: add a warning if eventfd value is 0 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org This should not happen according to eventfd(2). Signed-off-by: Marc-André Lureau --- hw/misc/ivshmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c index 17dc122..6f3d2fe 100644 --- a/hw/misc/ivshmem.c +++ b/hw/misc/ivshmem.c @@ -267,6 +267,7 @@ static void ivshmem_receive(void *opaque, const uint8_t *buf, int size) IVShmemState *s = opaque; IVSHMEM_DPRINTF("ivshmem_receive 0x%02x size: %d\n", *buf, size); + g_warn_if_fail(*buf != 0); ivshmem_IntrStatus_write(s, *buf); }