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llsec_parse_seclevel has the null pointer check at its begining. Compared with nl802154_add_llsec_seclevel, nl802154_del_llsec_seclevel has a redundant null pointer check of info->attrs[NL802154_ATTR_SEC_LEVEL] before llsec_parse_seclevel. Fix this issue by removing the null pointer check in nl802154_del_llsec_seclevel. Signed-off-by: Dongliang Mu <dzm91@hust.edu.cn> Link: https://lore.kernel.org/r/20230308083231.460015-1-dzm91@hust.edu.cn Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>