From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43862) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aWp1w-0003AP-0Q for qemu-devel@nongnu.org; Fri, 19 Feb 2016 12:39:48 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aWp1s-0006Lb-Pn for qemu-devel@nongnu.org; Fri, 19 Feb 2016 12:39:47 -0500 Received: from mx1.redhat.com ([209.132.183.28]:48889) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aWp1s-0006LG-LE for qemu-devel@nongnu.org; Fri, 19 Feb 2016 12:39:44 -0500 From: Alex Williamson Date: Fri, 19 Feb 2016 10:39:43 -0700 Message-ID: <20160219173943.16497.88821.stgit@gimli.home> In-Reply-To: <20160219173708.16497.23357.stgit@gimli.home> References: <20160219173708.16497.23357.stgit@gimli.home> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Subject: [Qemu-devel] [PULL 02/14] vfio: make the 4 bytes aligned for capability size List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Chen Fan , Marcel Apfelbaum , "Michael S. Tsirkin" From: Chen Fan this function search the capability from the end, the last size should 0x100 - pos, not 0xff - pos. Signed-off-by: Chen Fan Reviewed-by: Marcel Apfelbaum Reviewed-by: Michael S. Tsirkin Signed-off-by: Alex Williamson --- hw/vfio/pci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c index 49f3d2d..e671506 100644 --- a/hw/vfio/pci.c +++ b/hw/vfio/pci.c @@ -1505,7 +1505,8 @@ static void vfio_unmap_bars(VFIOPCIDevice *vdev) */ static uint8_t vfio_std_cap_max_size(PCIDevice *pdev, uint8_t pos) { - uint8_t tmp, next = 0xff; + uint8_t tmp; + uint16_t next = PCI_CONFIG_SPACE_SIZE; for (tmp = pdev->config[PCI_CAPABILITY_LIST]; tmp; tmp = pdev->config[tmp + 1]) {