[dpdk-dev] [PATCH v1] net/mlx4: fix missing initializers for old GCC
Moti Haimovsky
motih at mellanox.com
Tue Oct 24 14:35:33 CEST 2017
This patch works around compilation issues seen on RHEL 7.2
using GCC 4.8.5:
[...] In function 'mlx4_rss_init':
[...]/mlx4_rxq.c:433:19: error: 'wq_num' may be used uninitialized
in this function [-Werror=maybe-uninitialized]
Fixes: ff3397e90080 ("net/mlx4: relax Rx queue configuration order")
Signed-off-by: Moti Haimovsky <motih at mellanox.com>
---
drivers/net/mlx4/mlx4_rxq.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/net/mlx4/mlx4_rxq.c b/drivers/net/mlx4/mlx4_rxq.c
index fb28290..4c50077 100644
--- a/drivers/net/mlx4/mlx4_rxq.c
+++ b/drivers/net/mlx4/mlx4_rxq.c
@@ -417,6 +417,8 @@ void mlx4_rss_detach(struct mlx4_rss *rss)
if (wq) {
wq_num = wq->wq_num;
claim_zero(ibv_destroy_wq(wq));
+ } else {
+ wq_num = 0; /* Shut up GCC 4.8 warnings. */
}
claim_zero(ibv_destroy_cq(cq));
if (!wq) {
--
1.8.3.1
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