[PATCH] sched: add parentheses to if clause

[Weiguo Li]

Add parentheses to 'if' clause, otherwise will enlarged the
chance of error return.

Fixes: 44c730b0e37971 ("sched: add PIE based congestion management")

Signed-off-by: Weiguo Li <liwg06 at foxmail.com>
---
 lib/sched/rte_pie.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/sched/rte_pie.c b/lib/sched/rte_pie.c
index cdb7bab697..51df403a25 100644
--- a/lib/sched/rte_pie.c
+++ b/lib/sched/rte_pie.c
@@ -18,10 +18,10 @@ rte_pie_rt_data_init(struct rte_pie *pie)
 		/* Allocate memory to use the PIE data structure */
 		pie = rte_malloc(NULL, sizeof(struct rte_pie), 0);
 
-		if (pie == NULL)
+		if (pie == NULL) {
 			RTE_LOG(ERR, SCHED, "%s: Memory allocation fails\n", __func__);
-
-		return -1;
+			return -1;
+		}
 	}
 
 	pie->active = 0;
-- 
2.25.1