On Tue, 30 Apr 2024 09:59:39 +0800 Heng Qi wrote: > + if (moder[ETHTOOL_A_IRQ_MODERATION_USEC]) { > + if (irq_moder->coal_flags & DIM_COALESCE_USEC) > + new_profile[i].usec = > + nla_get_u32(moder[ETHTOOL_A_IRQ_MODERATION_USEC]); > + else > + return -EOPNOTSUPP; > + } Almost, the extack should still be there on error: + if (moder[ETHTOOL_A_IRQ_MODERATION_USEC]) + if (irq_moder->coal_flags & DIM_COALESCE_USEC) { + new_profile[i].usec = + nla_get_u32(moder[ETHTOOL_A_IRQ_MODERATION_USEC]); + } else { + NL_SET_BAD_ATTR(extack, moder[ETHTOOL_A_IRQ_MODERATION_USEC]); + return -EOPNOTSUPP; + }