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xen: call qemu_set_cloexec instead of fcntl 

Use the common utility function, which contains checks on return values
and first calls F_GETFD as recommended by POSIX.1-2001, instead of
manually calling fcntl.

CID: 1374831

Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
CC: anthony.perard@citrix.com
CC: groug@kaod.org
CC: aneesh.kumar@linux.vnet.ibm.com
CC: Eric Blake <eblake@redhat.com>
This commit is contained in:
Stefano Stabellini 2017-05-09 12:04:53 -07:00
parent c0c24b9554
commit 01cd90b641
2 changed files with 2 additions and 2 deletions
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2
hw/9pfs/xen-9p-backend.c
View File

@ -380,7 +380,7 @@ static int xen_9pfs_connect(struct XenDevice *xendev)
if (xen_9pdev->rings[i].evtchndev == NULL) { if (xen_9pdev->rings[i].evtchndev == NULL) {
goto out; goto out;
} }
fcntl(xenevtchn_fd(xen_9pdev->rings[i].evtchndev), F_SETFD, FD_CLOEXEC); qemu_set_cloexec(xenevtchn_fd(xen_9pdev->rings[i].evtchndev));
xen_9pdev->rings[i].local_port = xenevtchn_bind_interdomain xen_9pdev->rings[i].local_port = xenevtchn_bind_interdomain
(xen_9pdev->rings[i].evtchndev, (xen_9pdev->rings[i].evtchndev,
xendev->dom, xendev->dom,

2
hw/xen/xen_backend.c
View File

@ -147,7 +147,7 @@ static struct XenDevice *xen_be_get_xendev(const char *type, int dom, int dev,
qdev_unplug(DEVICE(xendev), NULL); qdev_unplug(DEVICE(xendev), NULL);
return NULL; return NULL;
} }
fcntl(xenevtchn_fd(xendev->evtchndev), F_SETFD, FD_CLOEXEC); qemu_set_cloexec(xenevtchn_fd(xendev->evtchndev));
if (ops->flags & DEVOPS_FLAG_NEED_GNTDEV) { if (ops->flags & DEVOPS_FLAG_NEED_GNTDEV) {
xendev->gnttabdev = xengnttab_open(NULL, 0); xendev->gnttabdev = xengnttab_open(NULL, 0);