Home > GNU/Linux > Ricoh Drivers for Ubuntu 10.10

Ricoh Drivers for Ubuntu 10.10

If you try to compile r5u870 driver for Ricoh webcams under Ubuntu 10.10 you’ll fail due to a recent renaming of some functions in the linux kernel.

In particular:

usb_buffer_alloc() is renamed to usb_alloc_coherent()
usb_buffer_free()  is renamed to usb_free_coherent()

For more information: http://kerneltrap.org/mailarchive/git-commits-head/2010/4/30/32383

To avoid this problem, make this substitution in the usbcam_util.c file that can be found here: ttp://www.palmix.org/download/r5u870_k2.6.30_i386.tar.bz2

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