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From: Arnon Warshavsky <arnon@qwilt.com>
To: thomas@monjalon.net, anatoly.burakov@intel.com,
	wenzhuo.lu@intel.com, declan.doherty@intel.com,
	jerin.jacob@caviumnetworks.com, bruce.richardson@intel.com,
	ferruh.yigit@intel.com
Cc: dev@dpdk.org, arnon@qwilt.com
Subject: [PATCH v3 11/13] eal: replace rte_panic instances in ethdev
Date: Fri, 13 Apr 2018 21:30:42 +0300	[thread overview]
Message-ID: <1523644244-17511-12-git-send-email-arnon@qwilt.com> (raw)
In-Reply-To: <1523644244-17511-1-git-send-email-arnon@qwilt.com>

Local function to this file,
changing from void to int is non-abi-breaking

Signed-off-by: Arnon Warshavsky <arnon@qwilt.com>
---
 lib/librte_ether/rte_ethdev.c | 36 +++++++++++++++++++++++++-----------
 1 file changed, 25 insertions(+), 11 deletions(-)

diff --git a/lib/librte_ether/rte_ethdev.c b/lib/librte_ether/rte_ethdev.c
index 2c74f7e..57e1e6b 100644
--- a/lib/librte_ether/rte_ethdev.c
+++ b/lib/librte_ether/rte_ethdev.c
@@ -194,7 +194,7 @@ enum {
 	return port_id;
 }
 
-static void
+static int
 rte_eth_dev_shared_data_prepare(void)
 {
 	const unsigned flags = 0;
@@ -210,8 +210,12 @@ enum {
 					rte_socket_id(), flags);
 		} else
 			mz = rte_memzone_lookup(MZ_RTE_ETH_DEV_DATA);
-		if (mz == NULL)
-			rte_panic("Cannot allocate ethdev shared data\n");
+		if (mz == NULL) {
+			rte_spinlock_unlock(&rte_eth_shared_data_lock);
+			RTE_LOG(CRIT, EAL, "%s(): Cannot allocate ethdev shared data\n",
+					__func__);
+			return -1;
+		}
 
 		rte_eth_dev_shared_data = mz->addr;
 		if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
@@ -224,6 +228,8 @@ enum {
 	}
 
 	rte_spinlock_unlock(&rte_eth_shared_data_lock);
+
+	return 0;
 }
 
 struct rte_eth_dev *
@@ -274,7 +280,8 @@ struct rte_eth_dev *
 	uint16_t port_id;
 	struct rte_eth_dev *eth_dev = NULL;
 
-	rte_eth_dev_shared_data_prepare();
+	if (rte_eth_dev_shared_data_prepare() != 0)
+		return NULL;
 
 	/* Synchronize port creation between primary and secondary threads. */
 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
@@ -317,7 +324,8 @@ struct rte_eth_dev *
 	uint16_t i;
 	struct rte_eth_dev *eth_dev = NULL;
 
-	rte_eth_dev_shared_data_prepare();
+	if (rte_eth_dev_shared_data_prepare() != 0)
+		return NULL;
 
 	/* Synchronize port attachment to primary port creation and release. */
 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
@@ -345,7 +353,8 @@ struct rte_eth_dev *
 	if (eth_dev == NULL)
 		return -EINVAL;
 
-	rte_eth_dev_shared_data_prepare();
+	if (rte_eth_dev_shared_data_prepare() != 0)
+		return -1;
 
 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 
@@ -399,7 +408,8 @@ struct rte_eth_dev *
 int __rte_experimental
 rte_eth_dev_owner_new(uint64_t *owner_id)
 {
-	rte_eth_dev_shared_data_prepare();
+	if (rte_eth_dev_shared_data_prepare() != 0)
+		return -1;
 
 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 
@@ -450,7 +460,8 @@ struct rte_eth_dev *
 {
 	int ret;
 
-	rte_eth_dev_shared_data_prepare();
+	if (rte_eth_dev_shared_data_prepare() != 0)
+		return -1;
 
 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 
@@ -467,7 +478,8 @@ struct rte_eth_dev *
 			{.id = RTE_ETH_DEV_NO_OWNER, .name = ""};
 	int ret;
 
-	rte_eth_dev_shared_data_prepare();
+	if (rte_eth_dev_shared_data_prepare() != 0)
+		return -1;
 
 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 
@@ -482,7 +494,8 @@ struct rte_eth_dev *
 {
 	uint16_t port_id;
 
-	rte_eth_dev_shared_data_prepare();
+	if (rte_eth_dev_shared_data_prepare() != 0)
+		return;
 
 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 
@@ -502,7 +515,8 @@ struct rte_eth_dev *
 {
 	int ret = 0;
 
-	rte_eth_dev_shared_data_prepare();
+	if (rte_eth_dev_shared_data_prepare() != 0)
+		return -1;
 
 	rte_spinlock_lock(&rte_eth_dev_shared_data->ownership_lock);
 
-- 
1.8.3.1

  parent reply	other threads:[~2018-04-13 18:31 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-04-13 18:30 [PATCH v3 00/13] eal: replace calls to rte_panic and refrain from new instances Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 01/13] crypto: replace rte_panic instances in crypto driver Arnon Warshavsky
2018-04-16 11:49   ` Neil Horman
2018-04-16 14:24     ` Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 02/13] bond: replace rte_panic instances in bonding driver Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 03/13] e1000: replace rte_panic instances in e1000 driver Arnon Warshavsky
2018-04-16 15:34   ` Stephen Hemminger
2018-04-16 16:19     ` Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 04/13] ixgbe: replace rte_panic instances in ixgbe driver Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 05/13] eal: replace rte_panic instances in eventdev Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 06/13] kni: replace rte_panic instances in kni Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 07/13] eal: replace rte_panic instances in rte_malloc Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 08/13] eal: replace rte_panic instances in hugepage_info Arnon Warshavsky
2018-04-16 11:30   ` Burakov, Anatoly
2018-04-16 14:45     ` Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 09/13] eal: replace rte_panic instances in common_memzone Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 10/13] eal: replace rte_panic instances in interrupts thread Arnon Warshavsky
2018-04-13 18:30 ` Arnon Warshavsky [this message]
2018-04-13 18:30 ` [PATCH v3 12/13] eal: replace rte_panic instances in init sequence Arnon Warshavsky
2018-04-13 18:30 ` [PATCH v3 13/13] devtools: prevent new instances of rte_panic and rte_exit Arnon Warshavsky
2018-04-16 11:22 ` [PATCH v3 00/13] eal: replace calls to rte_panic and refrain from new instances Burakov, Anatoly
2018-04-16 13:43   ` Arnon Warshavsky

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