net/mlx5e: Return the allocated flow directly from __mlx5e_add_fdb_flow

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This confusing construction confuses the compiler which can't see
that flow is initialized if !err:

drivers/net/ethernet/mellanox/mlx5/core/en_tc.c: In function `mlx5e_configure_flower`
drivers/net/ethernet/mellanox/mlx5/core/en_tc.c:2727:28: warning:
`flow` may be used uninitialized in this function
[-Wmaybe-uninitialized]

There is no reason for two function outputs, just return the
pointer directly and use ERR_PTR to encode a failure.

Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>

...

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Jason Gunthorpe 2019-01-20 10:30:25 +02:00 • committed by Saeed Mahameed

parent 149e566fef

commit 71129676ab

1 changed files with 14 additions and 15 deletions

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drivers/net/ethernet/mellanox/mlx5/core/en_tc.c

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