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Thu, 13 Mar 2025 10:43:21 +0000 Date: Thu, 13 Mar 2025 11:43:10 +0100 From: Michal Kubiak To: Lorenzo Bianconi CC: Andrew Lunn , "David S. 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[...] > > > > > > > > > > > > > > + if (!eth->ports[i]) > > > > > + continue; > > > > > > > > Isn't this NULL check redundant? > > > > In the second check you compare the table element to a real pointer. > > > > > > Can netdev_priv() be NULL? If not, I guess we can remove this check. > > > > I guess it shouldn't be NULL since "devm_alloc_etherdev_mqs()" was > > called, but I'm not 100% sure if there are any special cases for the "airoha" > > driver. Maybe in such cases it would be better to check for the netdev_priv? > > Anyway, such checks seem a bit too defensive to me. > > the dev pointer can be allocated even outside of airoha_eth driver. > This pointer is provided by the flowtable. > I guess we can drop the NULL pointer check above, and do something like: > > if (port && eth->ports[i] == port) > return 0; > > what do you think? > > Regards, > Lorenzo > I think if there's a risk that 'port' can be NULL, it looks like a reasonable solution and I'm OK with that. Thanks, Michal