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Bug#504721: Possible reason for serial console misdetection

On Wednesday 03 December 2008, Ferenc Wagner wrote:
> Don't you risk overflowing the buffer by not using a union of the two
> structs?  Or are both guarranteed to never grow above 256 bytes?

The original code looks to have included a "paranoia" field in struct u of 
3 times the size of serial_struct, probably for that reason.
I'd think using 512 or even 1024 as buffer size may indeed be safer.


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