Previously, if message is sent successfully, but no response is
received, function "i40evf_execute_vf_cmd" will return without error.
The root cause is value "err" is overwritten. This patch fixes it.
Fixes: ae19955e7c86 ("i40evf: support reporting PF reset")
Signed-off-by: Jingjing Wu <jingjing.wu at intel.com>
---
drivers/net/i40e/i40e_ethdev_vf.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/net/i40e/i40e_ethdev_vf.c
b/drivers/net/i40e/i40e_ethdev_vf.c
index 2bce69b..9380019 100644
--- a/drivers/net/i40e/i40e_ethdev_vf.c
+++ b/drivers/net/i40e/i40e_ethdev_vf.c
@@ -327,8 +327,7 @@ i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct
vf_cmd_info *args)
struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
struct i40evf_arq_msg_info info;
enum i40evf_aq_result ret;
- int err = -1;
- int i = 0;
+ int err, i = 0;
if (_atomic_set_cmd(vf, args->ops))
return -1;
@@ -346,6 +345,7 @@ i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct
vf_cmd_info *args)
return err;
}
+ err = -1;
switch (args->ops) {
case I40E_VIRTCHNL_OP_RESET_VF:
/*no need to process in this function */
@@ -358,10 +358,8 @@ i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct
vf_cmd_info *args)
if (ret == I40EVF_MSG_CMD) {
err = 0;
break;
- } else if (ret == I40EVF_MSG_ERR) {
- err = -1;
+ } else if (ret == I40EVF_MSG_ERR)
break;
- }
rte_delay_ms(ASQ_DELAY_MS);
/* If don't read msg or read sys event, continue */
} while (i++ < MAX_TRY_TIMES);
--
2.4.0
