net/mlx5e: Fix wrong return value on ioctl EEPROM query failure

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@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index e3dc2cbdc9f6cf0d6b4accad6a4a84216788d54b..e92cc60eade3f5bb29e9273877b92ac24f86454b 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1683,7 +1683,7 @@ static int mlx5e_get_module_eeprom(struct net_device *netdev,
                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;