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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-04-01 09:12:54 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2011-04-19 11:28:42 -0300
commite2241531a5d015b55cdddd488f6f3477c785f34e (patch)
tree7218ab58ff538e5958d0cc6e9e069a91f0321c3e /drivers/media/video/omap3isp/isp.c
parentc09af044db91bf0f8ca5073f5863c7280de39cc1 (diff)
downloadop-kernel-dev-e2241531a5d015b55cdddd488f6f3477c785f34e.zip
op-kernel-dev-e2241531a5d015b55cdddd488f6f3477c785f34e.tar.gz
[media] omap3isp: Don't increment node entity use count when poweron fails
When open a device node, all entities part of the same pipeline are powered on. If one of the entities fails to be powered on, the open operations fails. In that case the device node entity use count must not be incremented. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/omap3isp/isp.c')
-rw-r--r--drivers/media/video/omap3isp/isp.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/video/omap3isp/isp.c b/drivers/media/video/omap3isp/isp.c
index 5d8e1ce..de2dec5 100644
--- a/drivers/media/video/omap3isp/isp.c
+++ b/drivers/media/video/omap3isp/isp.c
@@ -662,6 +662,8 @@ int omap3isp_pipeline_pm_use(struct media_entity *entity, int use)
/* Apply power change to connected non-nodes. */
ret = isp_pipeline_pm_power(entity, change);
+ if (ret < 0)
+ entity->use_count -= change;
mutex_unlock(&entity->parent->graph_mutex);
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