On Tue, 15 Aug 2017 19:36:11 +0200 Christian Couder <christian.couder@xxxxxxxxx> wrote: > In handshake_capabilities() we use warning() when a capability > is not supported, so the exit code of the function is 0 and no > further error is shown. This is a problem because the warning > message doesn't tell us which subprocess cmd failed. > > On the contrary if we cannot write a packet from this function, > we use error() and then subprocess_start() outputs: > > initialization for subprocess '<cmd>' failed > > so we can know which subprocess cmd failed. > > Let's improve the warning() message, so that we can know which > subprocess cmd failed. > > Signed-off-by: Christian Couder <chriscool@xxxxxxxxxxxxx> This looks reasonable to me. I am still wondering if protocol errors should be fatal, but that is unrelated to this patch.