From: Gal Pressman <gal@xxxxxxxxxx> commit 0b89429722353d112f8b8b29ca397e95fa994d27 upstream. The ioctl EEPROM query wrongly returns success on read failures, fix that by returning the appropriate error code. Fixes: bb64143eee8c ("net/mlx5e: Add ethtool support for dump module EEPROM") Signed-off-by: Gal Pressman <gal@xxxxxxxxxx> Reviewed-by: Tariq Toukan <tariqt@xxxxxxxxxx> Signed-off-by: Saeed Mahameed <saeedm@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -1405,7 +1405,7 @@ static int mlx5e_get_module_eeprom(struc if (size_read < 0) { netdev_err(priv->netdev, "%s: mlx5_query_eeprom failed:0x%x\n", __func__, size_read); - return 0; + return size_read; } i += size_read; Patches currently in stable-queue which might be from gal@xxxxxxxxxx are queue-4.9/net-mlx5e-fix-wrong-return-value-on-ioctl-eeprom-query-failure.patch