ibmvnic: Update driver return codes

Update return codes to be more informative.

Signed-off-by: Jacob Root <otis@otisroot.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dany Madden 2021-12-14 00:17:47 -05:00 • committed by David S. Miller
commit b6ee566cf3