927f93e099
If flush is called when no buffer was sent with MSG_ZEROCOPY, it currently
returns 1. This return code should be used only when Linux fails to use
MSG_ZEROCOPY on a lot of sendmsg().
Fix this by returning early from flush if no sendmsg(...,MSG_ZEROCOPY)
was attempted.
Fixes:
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.. | ||
channel-buffer.c | ||
channel-command.c | ||
channel-file.c | ||
channel-null.c | ||
channel-socket.c | ||
channel-tls.c | ||
channel-util.c | ||
channel-watch.c | ||
channel-websock.c | ||
channel.c | ||
dns-resolver.c | ||
meson.build | ||
net-listener.c | ||
task.c | ||
trace-events | ||
trace.h |