migration: remove unreachable code after reading data
The code calls qio_channel_read() in a loop when it reports QIO_CHANNEL_ERR_BLOCK. This code is reported when errno==EAGAIN. As such the later block of code will always hit the 'errno != EAGAIN' condition, making the final 'else' unreachable. Fixes: Coverity CID 1490203 Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com> Message-Id: <20220627135318.156121-1-berrange@redhat.com> Reviewed-by: NDr. David Alan Gilbert <dgilbert@redhat.com> Signed-off-by: NDr. David Alan Gilbert <dgilbert@redhat.com>
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