On Sep 10 Clemens Ladisch wrote: > fw_iso_buffer_map_dma() maps as many pages as it can, and saves in > ->page_count_mapped how many pages need unmapping. > > When fw_iso_buffer_map_dma() fails, ioctl_create_iso_context() does _not_ > call fw_iso_buffer_destroy() but takes care to not change the cdev's > state in any other way. So ioctl_create_iso_context() can be called > again and will then call fw_iso_buffer_map_dma(), which will happily > map the pages a second time, overwriting the previous mapped addresses.
Indeed; thank you. I make a note to fix this when I get some time. -- Stefan Richter -=====-===-- =--= -=-=- http://arcgraph.de/sr/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
