6 files changed, 50 insertions, 2 deletions

diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index a529619e51f6..53285aa6e72c 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -189,8 +189,14 @@ static void request_modules(struct bttv *dev)
         INIT_WORK(&dev->request_module_wk, request_module_async);
         schedule_work(&dev->request_module_wk);
 }
+
+static void flush_request_modules(struct bttv *dev)
+{
+        flush_work_sync(&dev->request_module_wk);
+}
 #else
 #define request_modules(dev)
+#define flush_request_modules(dev)
 #endif /* CONFIG_MODULES */
 
 
@@ -4573,6 +4579,9 @@ static void __devexit bttv_remove(struct pci_dev *pci_dev)
         if (bttv_verbose)
                 printk("bttv%d: unloading\n",btv->c.nr);
 
+        if (bttv_tvcards[btv->c.type].has_dvb)
+                flush_request_modules(btv);
+
         /* shutdown everything (DMA+IRQs) */
         btand(~15, BT848_GPIO_DMA_CTL);
         btwrite(0, BT848_INT_MASK);
diff --git a/drivers/media/video/cx18/cx18-driver.c b/drivers/media/video/cx18/cx18-driver.c
index df60f27337cf..f6fdcfb1084b 100644
--- a/drivers/media/video/cx18/cx18-driver.c
+++ b/drivers/media/video/cx18/cx18-driver.c
@@ -266,8 +266,14 @@ static void request_modules(struct cx18 *dev)
         INIT_WORK(&dev->request_module_wk, request_module_async);
         schedule_work(&dev->request_module_wk);
 }
+
+static void flush_request_modules(struct cx18 *dev)
+{
+        flush_work_sync(&dev->request_module_wk);
+}
 #else
 #define request_modules(dev)
+#define flush_request_modules(dev)
 #endif /* CONFIG_MODULES */
 
 /* Generic utility functions */
@@ -1226,6 +1232,8 @@ static void cx18_remove(struct pci_dev *pci_dev)
 
         CX18_DEBUG_INFO("Removing Card\n");
 
+        flush_request_modules(cx);
+
         /* Stop all captures */
         CX18_DEBUG_INFO("Stopping all streams\n");
         if (atomic_read(&cx->tot_capturing) > 0)
diff --git a/drivers/media/video/cx231xx/cx231xx-cards.c b/drivers/media/video/cx231xx/cx231xx-cards.c
index 56c2d8195ac6..05b65057b8a7 100644
--- a/drivers/media/video/cx231xx/cx231xx-cards.c
+++ b/drivers/media/video/cx231xx/cx231xx-cards.c
@@ -762,8 +762,14 @@ static void request_modules(struct cx231xx *dev)
         INIT_WORK(&dev->request_module_wk, request_module_async);
         schedule_work(&dev->request_module_wk);
 }
+
+static void flush_request_modules(struct cx231xx *dev)
+{
+        flush_work_sync(&dev->request_module_wk);
+}
 #else
 #define request_modules(dev)
+#define flush_request_modules(dev)
 #endif /* CONFIG_MODULES */
 
 /*
@@ -1096,6 +1102,8 @@ static void cx231xx_usb_disconnect(struct usb_interface *interface)
         if (!dev->udev)
                 return;
 
+        flush_request_modules(dev);
+
         /* delete v4l2 device */
         v4l2_device_unregister(&dev->v4l2_dev);
 
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index f7d71acbb078..addf9545e9bf 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -66,8 +66,14 @@ static void request_modules(struct cx8802_dev *dev)
         INIT_WORK(&dev->request_module_wk, request_module_async);
         schedule_work(&dev->request_module_wk);
 }
+
+static void flush_request_modules(struct cx8802_dev *dev)
+{
+        flush_work_sync(&dev->request_module_wk);
+}
 #else
 #define request_modules(dev)
+#define flush_request_modules(dev)
 #endif /* CONFIG_MODULES */
 
 
@@ -819,6 +825,8 @@ static void __devexit cx8802_remove(struct pci_dev *pci_dev)
 
         dprintk( 1, "%s\n", __func__);
 
+        flush_request_modules(dev);
+
         if (!list_empty(&dev->drvlist)) {
                 struct cx8802_driver *drv, *tmp;
                 int err;
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c
index 54859233f311..d60538bb22b3 100644
--- a/drivers/media/video/em28xx/em28xx-cards.c
+++ b/drivers/media/video/em28xx/em28xx-cards.c
@@ -2632,8 +2632,14 @@ static void request_modules(struct em28xx *dev)
         INIT_WORK(&dev->request_module_wk, request_module_async);
         schedule_work(&dev->request_module_wk);
 }
+
+static void flush_request_modules(struct em28xx *dev)
+{
+        flush_work_sync(&dev->request_module_wk);
+}
 #else
 #define request_modules(dev)
+#define flush_request_modules(dev)
 #endif /* CONFIG_MODULES */
 
 /*
@@ -3060,6 +3066,8 @@ static void em28xx_usb_disconnect(struct usb_interface *interface)
 
         em28xx_info("disconnecting %s\n", dev->vdev->name);
 
+        flush_request_modules(dev);
+
         /* wait until all current v4l2 io is finished then deallocate
            resources */
         mutex_lock(&dev->lock);
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 764d7d219fed..2ceeac7ae34d 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -166,8 +166,14 @@ static void request_submodules(struct saa7134_dev *dev)
         schedule_work(&dev->request_module_wk);
 }
 
+static void flush_request_submodules(struct saa7134_dev *dev)
+{
+        flush_work_sync(&dev->request_module_wk);
+}
+
 #else
 #define request_submodules(dev)
+#define flush_request_submodules(dev)
 #endif /* CONFIG_MODULES */
 
 /* ------------------------------------------------------------------ */
@@ -1010,8 +1016,6 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
                 }
         }
 
-        request_submodules(dev);
-
         v4l2_prio_init(&dev->prio);
 
         mutex_lock(&saa7134_devlist_lock);
@@ -1066,6 +1070,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
         if (saa7134_dmasound_init && !dev->dmasound.priv_data)
                 saa7134_dmasound_init(dev);
 
+        request_submodules(dev);
         return 0;
 
  fail4:
@@ -1091,6 +1096,8 @@ static void __devexit saa7134_finidev(struct pci_dev *pci_dev)
         struct saa7134_dev *dev = container_of(v4l2_dev, struct saa7134_dev, v4l2_dev);
         struct saa7134_mpeg_ops *mops;
 
+        flush_request_submodules(dev);
+
         /* Release DMA sound modules if present */
         if (saa7134_dmasound_exit && dev->dmasound.priv_data) {
                 saa7134_dmasound_exit(dev);