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| author | Juergen Gross <jgross@suse.com> | 2017-04-07 17:28:23 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> | 2017-04-07 17:28:23 +0200 |
| commit | 9121b15b5628b38b4695282dc18c553440e0f79b (patch) | |
| tree | e45c6b0905bb159b4790156914bf0ea1e0d55cd8 /drivers/video/fbdev | |
| parent | fbdev/ssd1307fb: fix optional VBAT support (diff) | |
| download | linux-9121b15b5628b38b4695282dc18c553440e0f79b.tar.xz linux-9121b15b5628b38b4695282dc18c553440e0f79b.zip | |
xen, fbfront: fix connecting to backend
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>
Reviewed-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/xen-fbfront.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index d0115a7af0a9..3ee309c50b2d 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 @@ InitWait: * 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)) |