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Groups > linux.kernel > #1607457
| From | Juergen Gross <jgross@suse.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH] xen, fbfront: fix connecting to backend |
| Date | 2017-03-23 14:00 +0100 |
| Message-ID | <toavp-2lS-35@gated-at.bofh.it> (permalink) |
| Organization | linux.* mail to news gateway |
Connecting to the backend isn't working reliably in xen-fbfront: in case XenbusStateInitWait of the backend has been missed the backend transition to XenbusStateConnected will trigger the connected state only without doing the actions required when the backend has connected. Cc: stable@vger.kernel.org Signed-off-by: Juergen Gross <jgross@suse.com> --- drivers/video/fbdev/xen-fbfront.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index d0115a7..3ee309c 100644 --- a/drivers/video/fbdev/xen-fbfront.c +++ b/drivers/video/fbdev/xen-fbfront.c @@ -643,7 +643,6 @@ static void xenfb_backend_changed(struct xenbus_device *dev, break; case XenbusStateInitWait: -InitWait: xenbus_switch_state(dev, XenbusStateConnected); break; @@ -654,7 +653,8 @@ static void xenfb_backend_changed(struct xenbus_device *dev, * get Connected twice here. */ if (dev->state != XenbusStateConnected) - goto InitWait; /* no InitWait seen yet, fudge it */ + /* no InitWait seen yet, fudge it */ + xenbus_switch_state(dev, XenbusStateConnected); if (xenbus_read_unsigned(info->xbdev->otherend, "request-update", 0)) -- 2.10.2
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[PATCH] xen, fbfront: fix connecting to backend Juergen Gross <jgross@suse.com> - 2017-03-23 14:00 +0100
Re: [Xen-devel] [PATCH] xen, fbfront: fix connecting to backend "Jan Beulich" <JBeulich@suse.com> - 2017-03-23 15:00 +0100
Re: [Xen-devel] [PATCH] xen, fbfront: fix connecting to backend Juergen Gross <jgross@suse.com> - 2017-03-23 15:00 +0100
Re: [Xen-devel] [PATCH] xen, fbfront: fix connecting to backend "Jan Beulich" <JBeulich@suse.com> - 2017-03-23 15:30 +0100
Re: [PATCH] xen, fbfront: fix connecting to backend Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2017-03-23 15:20 +0100
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