Re: Kernel NULL pointer deref. in musb_gadget on arm davinci omapl138 platform

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>
> Hello,
>
> we use a custom board with a davinci omapl138 based on
> OMAP-L138 eXperimenter Kit.
> I added our board specific patches to a recent mainline linux
> kernel (version v3.6-rc2-223) to commit
> 9160338de92c0305329be5163a76f849806e83de.
> Using USB 2.0 with g_serial gadget driver results in kernel NULL
> pointer dereference exception in musb_g_giveback. The error occurs
> while connecting to the Host and is reproduceable.
> The error occurs with gadget drivers build in and with drivers
> compiled as modules.

In this case it is possible to produce this error by leaving ".mode"
var in struct musb_hdrc_platform_data usb_data uninitialized.

Regards,

Bastian.

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