net/mlx4: fix invalid errno value sign

Tx queue elements allocation function sets rte_errno properly and returns
its negative version. Reassigning this value to rte_errno is thus both
invalid and unnecessary.

Fixes: 9d14b27308a0 ("net/mlx4: standardize on negative errno values")

Signed-off-by: Adrien Mazarguil <adrien.mazarguil@6wind.com>
Acked-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com>

diff --git a/drivers/net/mlx4/mlx4_txq.c b/drivers/net/mlx4/mlx4_txq.c
index c1fdbaf..3cece3e 100644 (file)
--- a/drivers/net/mlx4/mlx4_txq.c
+++ b/drivers/net/mlx4/mlx4_txq.c
@@ -340,7 +340,6 @@ mlx4_txq_setup(struct rte_eth_dev *dev, struct txq *txq, uint16_t desc,
        }
        ret = mlx4_txq_alloc_elts(&tmpl, desc);
        if (ret) {
-               rte_errno = ret;
                ERROR("%p: TXQ allocation failed: %s",
                      (void *)dev, strerror(rte_errno));
                goto error;