[dpdk-dev] [PATCH v2 3/4] net/ena: fix build for O1 optimization
Ferruh Yigit
ferruh.yigit at intel.com
Fri May 8 18:45:45 CEST 2020
Can be reproduced with "make EXTRA_CFLAGS='-O1'" command using
gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)
Build error:
.../drivers/net/ena/ena_ethdev.c: In function ‘eth_ena_dev_init’:
.../drivers/net/ena/ena_ethdev.c:1815:20:
error: ‘wd_state’ may be used uninitialized in this function
[-Werror=maybe-uninitialized]
1815 | adapter->wd_state = wd_state;
| ~~~~~~~~~~~~~~~~~~^~~~~~~~~~
This looks like false positive, fixing by assigning initial value to
'wd_state' variable.
Signed-off-by: Ferruh Yigit <ferruh.yigit at intel.com>
Acked-by: Michal Krawczyk <mk at semihalf.com>
---
drivers/net/ena/ena_ethdev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
index c3fd3a4ac0..fbddc79f79 100644
--- a/drivers/net/ena/ena_ethdev.c
+++ b/drivers/net/ena/ena_ethdev.c
@@ -1756,7 +1756,7 @@ static int eth_ena_dev_init(struct rte_eth_dev *eth_dev)
int rc;
static int adapters_found;
bool disable_meta_caching;
- bool wd_state;
+ bool wd_state = false;
eth_dev->dev_ops = &ena_dev_ops;
eth_dev->rx_pkt_burst = ð_ena_recv_pkts;
--
2.25.4
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