Improve error handling
Fixes: dfaff37fc46d ("vmxnet3: import new vmxnet3 poll mode driver
implementation")
Cc: sta...@dpdk.org
Signed-off-by: Kaijun Zeng <corez...@gmail.com>
---
drivers/net/vmxnet3/vmxnet3_rxtx.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/net/vmxnet3/vmxnet3_rxtx.c
b/drivers/net/vmxnet3/vmxnet3_rxtx.c
index 73ec1e4727..e615d40d09 100644
--- a/drivers/net/vmxnet3/vmxnet3_rxtx.c
+++ b/drivers/net/vmxnet3/vmxnet3_rxtx.c
@@ -1311,7 +1311,17 @@ vmxnet3_dev_rxtx_init(struct rte_eth_dev *dev)
for (j = 0; j < VMXNET3_RX_CMDRING_SIZE; j++) {
/* Passing 0 as alloc_num will allocate full ring */
ret = vmxnet3_post_rx_bufs(rxq, j);
- if (ret <= 0) {
+
+ /* Zero number of descriptors in the configuration of
the RX queue */
+ if (ret == 0) {
+ PMD_INIT_LOG(ERR,
+ "ERROR: Zero descriptor requirement in
Rx queue: %d,"
+ "buffers ring: %d\n",
+ i, j);
+ return -EINVAL;
+ }
+ /* Return the errno */
+ if (ret < 0) {
PMD_INIT_LOG(ERR,
"ERROR: Posting Rxq: %d buffers
ring: %d",
i, j);
--
2.30.2
