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V4L/DVB (4838): Fix cx88-blackbird null pointer
Allows 'debug=1' for cx88-blackbird module (dev needs to be valid for dprintk). Fixes a null-pointer dereference when using debug=1. Signed-off-by: Jelle Foks <jelle@foks.8m.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -942,9 +942,10 @@ static int mpeg_open(struct inode *inode, struct file *file)
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struct cx8802_driver *drv = NULL;
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int err;
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dev = cx8802_get_device(inode);
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dprintk( 1, "%s\n", __FUNCTION__);
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dev = cx8802_get_device(inode);
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if (dev == NULL)
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return -ENODEV;
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