On Sat, 17 Apr 2010, Michal Nazarewicz wrote: > usb_get_configuration() uses a temporary buffer allocated on heap > to read USB configuration descriptor. The buffer is just nine > bytes an so it is a waste to allocate it on heap where it can be > allocated on stack with the rest of local variables. This > simplifies the code and minimises memory usage. This is completely wrong. You are not allowed to do DMA to buffers on the stack; some architectures are not capable of handling it. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
