Re: [PATCHv2] evdev: fix evdev_write return value on partial writes

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"Henrik" == Henrik Rydberg [off-list ref] writes:

Hi,

 Henrik> I won't argue against this case (with < 0) being frequent, but one
 Henrik> should really check "n < len" to be safe. Hopefully Dmitry has some
 Henrik> more input.

No, the point is that write (and read) can consume less data than
requested, without it being an error. Robust userspace code should
adjust buffer address / size and redo the work until all data is
transferred or an error occurs.

-- 
Bye, Peter Korsgaard