[PATCH 2/2] net/mlx5: improve log file path

[Yang Ming <ming.1.yang@nokia-sbell.com>]

1. /var/log is hard code which is not a good coding style.
2. /var/log may be not allowed to be written via container's
read-only mode.

Signed-off-by: Yang Ming <ming.1.yang@nokia-sbell.com>
---
 drivers/net/mlx5/mlx5_rxtx.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/mlx5/mlx5_rxtx.c b/drivers/net/mlx5/mlx5_rxtx.c
index eadadcdffb..a0da73c9c3 100644
--- a/drivers/net/mlx5/mlx5_rxtx.c
+++ b/drivers/net/mlx5/mlx5_rxtx.c
@@ -12,6 +12,7 @@
 #include <rte_prefetch.h>
 #include <rte_common.h>
 #include <rte_branch_prediction.h>
+#include <rte_eal.h>
 #include <rte_ether.h>
 #include <rte_cycles.h>
 #include <rte_flow.h>
@@ -311,7 +312,7 @@ mlx5_set_swp_types_table(void)
 	}
 }
 
-#define MLX5_SYSTEM_LOG_DIR "/var/log"
+#define MLX5_SYSTEM_LOG_DIR rte_eal_get_runtime_dir()
 /**
  * Dump debug information to log file.
  *
-- 
2.34.1