Re: [PATCH] net/smc: sync err info when TCP connection is refused

[Tony Lu]

On Sun, Apr 17, 2022 at 08:33:07PM +0800, yacanliu@xxxxxxx wrote:
> From: liuyacan <liuyacan@xxxxxxxxxxxxxxxx>
> 
> In the current implementation, when TCP initiates a connection
> to an unavailable [ip,port], ECONNREFUSED will be stored in the
> TCP socket, but SMC will not. However, some apps (like curl) use
> getsockopt(,,SO_ERROR,,) to get the error information, which makes
> them miss the error message and behave strangely.
> 
> Signed-off-by: liuyacan <liuyacan@xxxxxxxxxxxxxxxx>

This fix works for me. I have tested it with curl for unavailable
address.

This patch missed net or net-next tag, I think net is preferred.

Reviewed-by: Tony Lu <tonylu@xxxxxxxxxxxxxxxxx>

Thank you,
Tony Lu