From 26e9d599561e9a964bd4d7c2be0029db8aaff852 Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Sat, 25 Aug 2007 05:41:52 -0300 Subject: V4L/DVB (6115): ivtv/ivtv-fb: improve locking to avoid initialization problems ivtv/ivtv-fb: improve locking to prevent ivtv/ivtv-fb initialization problems Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/ivtv/ivtv-driver.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'drivers/media/video/ivtv/ivtv-driver.c') diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index 855697c1c96..2a5e0facca7 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -1003,6 +1003,8 @@ static int __devinit ivtv_probe(struct pci_dev *dev, IVTV_DEBUG_INFO("base addr: 0x%08x\n", itv->base_addr); + mutex_lock(&itv->serialize_lock); + /* PCI Device Setup */ if ((retval = ivtv_setup_pci(itv, dev, pci_id)) != 0) { if (retval == -EIO) @@ -1174,6 +1176,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev, IVTV_ERR("Failed to register irq %d\n", retval); goto free_streams; } + mutex_unlock(&itv->serialize_lock); IVTV_INFO("Initialized card #%d: %s\n", itv->num, itv->card_name); return 0; @@ -1192,6 +1195,7 @@ static int __devinit ivtv_probe(struct pci_dev *dev, release_mem_region(itv->base_addr + IVTV_DECODER_OFFSET, IVTV_DECODER_SIZE); free_workqueue: destroy_workqueue(itv->irq_work_queues); + mutex_unlock(&itv->serialize_lock); err: if (retval == 0) retval = -ENODEV; -- cgit v1.2.3-70-g09d2