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net/mlx5_core: Check the return bitmask when querying ISSI 

The determination of the supported ISSI versions should be conditioned
on the returned mask, and not only on the return status of the query
ISSI command, fix that.

Signed-off-by: Haggai Abramovsky <hagaya@mellanox.com>
Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Haggai Abramonvsky 2015-06-04 19:30:39 +03:00 committed by David S. Miller
parent 01949d0109
commit e74a1db033
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/main.c
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@ -654,7 +654,7 @@ static int mlx5_core_set_issi(struct mlx5_core_dev *dev)
dev->issi = 1;
return 0;
} else if (sup_issi & (1 << 0)) {
} else if (sup_issi & (1 << 0) || !sup_issi) {
return 0;
}