net: devlink: skip info_get op call if it is not defined in dumpit
In dumpit, unlike doit, the check for info_get op being defined
is missing. Add it and avoid null pointer dereference in case driver
does not define this op.
Fixes: f9cf22882c
("devlink: add device information API")
Reported-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -3897,6 +3897,11 @@ static int devlink_nl_cmd_info_get_dumpit(struct sk_buff *msg,
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continue;
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}
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if (!devlink->ops->info_get) {
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idx++;
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continue;
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}
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mutex_lock(&devlink->lock);
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err = devlink_nl_info_fill(msg, devlink, DEVLINK_CMD_INFO_GET,
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NETLINK_CB(cb->skb).portid,
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