[PATCH v5 03/11] e1000: replace rte_panic instances in e1000 driver

[Arnon Warshavsky <arnon@qwilt.com>]

replace panic calls with log and return value.
Local function to this file,
changing from void to int is non-abi-breaking

Signed-off-by: Arnon Warshavsky <arnon@qwilt.com>
---
 drivers/net/e1000/e1000_ethdev.h |  2 +-
 drivers/net/e1000/igb_ethdev.c   |  4 +++-
 drivers/net/e1000/igb_pf.c       | 15 +++++++++------
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/drivers/net/e1000/e1000_ethdev.h b/drivers/net/e1000/e1000_ethdev.h
index 6354b89..2e527de 100644
--- a/drivers/net/e1000/e1000_ethdev.h
+++ b/drivers/net/e1000/e1000_ethdev.h
@@ -411,7 +411,7 @@ int eth_igb_rss_hash_conf_get(struct rte_eth_dev *dev,
 /*
  * misc function prototypes
  */
-void igb_pf_host_init(struct rte_eth_dev *eth_dev);
+int igb_pf_host_init(struct rte_eth_dev *eth_dev);
 
 void igb_pf_mbx_process(struct rte_eth_dev *eth_dev);
 
diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c
index 9b808a9..67a32a2 100644
--- a/drivers/net/e1000/igb_ethdev.c
+++ b/drivers/net/e1000/igb_ethdev.c
@@ -833,7 +833,9 @@ static int igb_flex_filter_uninit(struct rte_eth_dev *eth_dev)
 	}
 
 	/* initialize PF if max_vfs not zero */
-	igb_pf_host_init(eth_dev);
+	error = igb_pf_host_init(eth_dev);
+	if (error != 0)
+		goto err_late;
 
 	ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
 	/* Set PF Reset Done bit so PF/VF Mail Ops can work */
diff --git a/drivers/net/e1000/igb_pf.c b/drivers/net/e1000/igb_pf.c
index b9f2e53..1a53531 100644
--- a/drivers/net/e1000/igb_pf.c
+++ b/drivers/net/e1000/igb_pf.c
@@ -63,7 +63,7 @@ int igb_vf_perm_addr_gen(struct rte_eth_dev *dev, uint16_t vf_num)
 	return 0;
 }
 
-void igb_pf_host_init(struct rte_eth_dev *eth_dev)
+int igb_pf_host_init(struct rte_eth_dev *eth_dev)
 {
 	struct e1000_vf_info **vfinfo =
 		E1000_DEV_PRIVATE_TO_P_VFDATA(eth_dev->data->dev_private);
@@ -74,7 +74,7 @@ void igb_pf_host_init(struct rte_eth_dev *eth_dev)
 
 	RTE_ETH_DEV_SRIOV(eth_dev).active = 0;
 	if (0 == (vf_num = dev_num_vf(eth_dev)))
-		return;
+		return 0;
 
 	if (hw->mac.type == e1000_i350)
 		nb_queue = 1;
@@ -82,11 +82,14 @@ void igb_pf_host_init(struct rte_eth_dev *eth_dev)
 		/* per datasheet, it should be 2, but 1 seems correct */
 		nb_queue = 1;
 	else
-		return;
+		return 0;
 
 	*vfinfo = rte_zmalloc("vf_info", sizeof(struct e1000_vf_info) * vf_num, 0);
-	if (*vfinfo == NULL)
-		rte_panic("Cannot allocate memory for private VF data\n");
+	if (*vfinfo == NULL) {
+		RTE_LOG(CRIT, PMD, "%s(): Cannot allocate memory for private VF data\n",
+			__func__);
+		return -ENOMEM;
+	}
 
 	RTE_ETH_DEV_SRIOV(eth_dev).active = ETH_8_POOLS;
 	RTE_ETH_DEV_SRIOV(eth_dev).nb_q_per_pool = nb_queue;
@@ -98,7 +101,7 @@ void igb_pf_host_init(struct rte_eth_dev *eth_dev)
 	/* set mb interrupt mask */
 	igb_mb_intr_setup(eth_dev);
 
-	return;
+	return 0;
 }
 
 void igb_pf_host_uninit(struct rte_eth_dev *dev)
-- 
1.8.3.1