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net: dsa: print error on invalid port index
authorRafał Miłecki <rafal@milecki.pl>
Wed, 6 Jan 2021 09:09:15 +0000 (10:09 +0100)
committerJakub Kicinski <kuba@kernel.org>
Thu, 7 Jan 2021 00:21:08 +0000 (16:21 -0800)
commit8209f5bc3b67291a4e62ce1a1ce99c53b10e308a
treed2d0fa2846491c2afe65cd5cd96f7defb9af6d37
parentede71cae72855f8d6f6268510895210adc317666
net: dsa: print error on invalid port index

Looking for an -EINVAL all over the dsa code could take hours for
inexperienced DSA users.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20210106090915.21439-1-zajec5@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/dsa/dsa2.c