From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47576) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZJsqc-0008W7-G0 for qemu-devel@nongnu.org; Mon, 27 Jul 2015 20:34:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZJsqb-0005QH-MQ for qemu-devel@nongnu.org; Mon, 27 Jul 2015 20:34:22 -0400 Received: from mail-qg0-x232.google.com ([2607:f8b0:400d:c04::232]:36118) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZJsqb-0005Q5-HZ for qemu-devel@nongnu.org; Mon, 27 Jul 2015 20:34:21 -0400 Received: by qges31 with SMTP id s31so17878340qge.3 for ; Mon, 27 Jul 2015 17:34:21 -0700 (PDT) Sender: =?UTF-8?B?TWFyYy1BbmRyw6kgTHVyZWF1?= From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Date: Tue, 28 Jul 2015 02:32:30 +0200 Message-Id: <1438043577-28636-19-git-send-email-marcandre.lureau@redhat.com> In-Reply-To: <1438043577-28636-1-git-send-email-marcandre.lureau@redhat.com> References: <1438043577-28636-1-git-send-email-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: [Qemu-devel] [PATCH v2 18/45] ivshmem: add a warning if eventfd value is 0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , drjones@redhat.com, cam@cs.ualberta.ca, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , stefanha@redhat.com From: Marc-André Lureau 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); } -- 2.4.3