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Date: Mon, 30 Sep 2019 11:52:21 +0530 From: Vasundhara Volam <vasundhara-v.volam@...adcom.com> To: davem@...emloft.net Cc: netdev@...r.kernel.org, Vasundhara Volam <vasundhara-v.volam@...adcom.com>, Andrew Lunn <andrew@...n.ch>, Jiri Pirko <jiri@...lanox.com>, Michael Chan <michael.chan@...adcom.com> Subject: [PATCH v2 net] devlink: Fix error handling in param and info_get dumpit cb If any of the param or info_get op returns error, dumpit cb is skipping to dump remaining params or info_get ops for all the drivers. Fix to not return if any of the param/info_get op returns error as not supported and continue to dump remaining information. v2: Modify the patch to return error, except for params/info_get op that return -EOPNOTSUPP as suggested by Andrew Lunn. Also, modify commit message to reflect the same. Cc: Andrew Lunn <andrew@...n.ch> Cc: Jiri Pirko <jiri@...lanox.com> Cc: Michael Chan <michael.chan@...adcom.com> Signed-off-by: Vasundhara Volam <vasundhara-v.volam@...adcom.com> --- net/core/devlink.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/core/devlink.c b/net/core/devlink.c index e48680e..f80151e 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -3172,7 +3172,7 @@ static int devlink_nl_cmd_param_get_dumpit(struct sk_buff *msg, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); - if (err) { + if (err && err != -EOPNOTSUPP) { mutex_unlock(&devlink->lock); goto out; } @@ -3432,7 +3432,7 @@ static int devlink_nl_cmd_port_param_get_dumpit(struct sk_buff *msg, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI); - if (err) { + if (err && err != -EOPNOTSUPP) { mutex_unlock(&devlink->lock); goto out; } @@ -4088,7 +4088,7 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg, cb->nlh->nlmsg_seq, NLM_F_MULTI, cb->extack); mutex_unlock(&devlink->lock); - if (err) + if (err && err != -EOPNOTSUPP) break; idx++; } -- 1.8.3.1
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