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Date: Tue, 1 Dec 2020 08:09:21 +0200 From: Baruch Siach <baruch@...s.co.il> To: Michal Kubecek <mkubecek@...e.cz> Cc: netdev@...r.kernel.org, Baruch Siach <baruch@...s.co.il> Subject: [PATCH ethtool] Improve error message when SFP module is missing ETHTOOL_GMODULEINFO request success indicates that SFP cage is present. Failure of ETHTOOL_GMODULEEEPROM is most likely because SFP module is not plugged in. Add an indication to the user as to what might be the reason for the failure. Signed-off-by: Baruch Siach <baruch@...s.co.il> --- ethtool.c | 1 + 1 file changed, 1 insertion(+) diff --git a/ethtool.c b/ethtool.c index 1d9067e774af..6d785f830ffa 100644 --- a/ethtool.c +++ b/ethtool.c @@ -4856,6 +4856,7 @@ static int do_getmodule(struct cmd_context *ctx) err = send_ioctl(ctx, eeprom); if (err < 0) { perror("Cannot get Module EEPROM data"); + fprintf(stderr, "SFP module not in cage?\n"); free(eeprom); return 1; } -- 2.29.2
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