From: brandon@ifup.org
To: mchehab@infradead.org
Cc: video4linux-list@redhat.com, v4l-dvb-maintainer@linuxtv.org,
Brandon Philips <bphilips@suse.de>
Subject: [patch 3/9] videobuf: Wakeup queues after changing the state to ERROR
Date: Fri, 28 Mar 2008 02:39:47 -0700 [thread overview]
Message-ID: <20080328094021.513463447@ifup.org> (raw)
In-Reply-To: 20080328093944.278994792@ifup.org
[-- Attachment #1: wakeup-on-queue-cancel.patch --]
[-- Type: text/plain, Size: 880 bytes --]
The waitqueues must be woken up every time state changes.
Signed-off-by: Brandon Philips <bphilips@suse.de>
---
linux/drivers/media/video/videobuf-core.c | 1 +
1 file changed, 1 insertion(+)
Index: v4l-dvb/linux/drivers/media/video/videobuf-core.c
===================================================================
--- v4l-dvb.orig/linux/drivers/media/video/videobuf-core.c
+++ v4l-dvb/linux/drivers/media/video/videobuf-core.c
@@ -207,6 +207,7 @@ void videobuf_queue_cancel(struct videob
if (q->bufs[i]->state == VIDEOBUF_QUEUED) {
list_del(&q->bufs[i]->queue);
q->bufs[i]->state = VIDEOBUF_ERROR;
+ wake_up_all(&q->bufs[i]->done);
}
}
spin_unlock_irqrestore(q->irqlock, flags);
--
--
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next prev parent reply other threads:[~2008-03-28 9:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-28 9:39 [patch 0/9] videobuf fixes 2.6.25 brandon
2008-03-28 9:39 ` [patch 1/9] soc_camera: Introduce a spinlock for use with videobuf brandon
2008-03-28 9:39 ` [patch 2/9] videobuf: Require spinlocks for all videobuf users brandon
2008-03-28 9:39 ` brandon [this message]
2008-03-28 9:39 ` [patch 4/9] videobuf: Simplify videobuf_waiton logic and possibly avoid missed wakeup brandon
2008-03-28 9:39 ` [patch 5/9] videobuf-vmalloc.c: Remove buf_release from videobuf_vm_close brandon
2008-03-28 9:39 ` [patch 6/9] videobuf-vmalloc.c: Fix hack of postponing mmap on remap failure brandon
2008-03-28 9:39 ` [patch 7/9] vivi: Simplify the vivi driver and avoid deadlocks brandon
2008-03-28 9:39 ` [patch 8/9] videobuf: Avoid deadlock with QBUF and bring up to spec for empty queue brandon
2008-03-28 9:39 ` [patch 9/9] videobuf-dma-sg.c: Avoid NULL dereference and add comment about backwards compatibility brandon
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