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* [PATCH net 0/2] cleanup return codes
@ 2021-12-14  5:17 Dany Madden
  2021-12-14  5:17 ` [PATCH net 1/2] ibmvnic: Update driver " Dany Madden
                   ` (2 more replies)
  0 siblings, 3 replies; 6+ messages in thread
From: Dany Madden @ 2021-12-14  5:17 UTC (permalink / raw)
  To: netdev; +Cc: sukadev, ricklind, brking, otis

Update return code in the driver and remove unused defines from header
file.

Dany Madden (2):
  ibmvnic: Update driver return codes
  ibmvnic: remove unused defines

 drivers/net/ethernet/ibm/ibmvnic.c | 64 ++++++++++++++++--------------
 drivers/net/ethernet/ibm/ibmvnic.h |  2 -
 2 files changed, 34 insertions(+), 32 deletions(-)

-- 
2.27.0


^ permalink raw reply	[flat|nested] 6+ messages in thread

* [PATCH net 1/2] ibmvnic: Update driver return codes
  2021-12-14  5:17 [PATCH net 0/2] cleanup return codes Dany Madden
@ 2021-12-14  5:17 ` Dany Madden
  2021-12-15 21:17   ` Sukadev Bhattiprolu
  2021-12-14  5:17 ` [PATCH net 2/2] ibmvnic: remove unused defines Dany Madden
  2021-12-14 13:00 ` [PATCH net 0/2] cleanup return codes patchwork-bot+netdevbpf
  2 siblings, 1 reply; 6+ messages in thread
From: Dany Madden @ 2021-12-14  5:17 UTC (permalink / raw)
  To: netdev; +Cc: sukadev, ricklind, brking, otis

Update return codes to be more informative.

Signed-off-by: Jacob Root <otis@otisroot.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 64 ++++++++++++++++--------------
 1 file changed, 34 insertions(+), 30 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index 0bb3911dd014..dd2827b0489d 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -308,7 +308,7 @@ static int alloc_long_term_buff(struct ibmvnic_adapter *adapter,
 	if (adapter->fw_done_rc) {
 		dev_err(dev, "Couldn't map LTB, rc = %d\n",
 			adapter->fw_done_rc);
-		rc = -1;
+		rc = -EIO;
 		goto out;
 	}
 	rc = 0;
@@ -540,13 +540,15 @@ static int init_stats_token(struct ibmvnic_adapter *adapter)
 {
 	struct device *dev = &adapter->vdev->dev;
 	dma_addr_t stok;
+	int rc;
 
 	stok = dma_map_single(dev, &adapter->stats,
 			      sizeof(struct ibmvnic_statistics),
 			      DMA_FROM_DEVICE);
-	if (dma_mapping_error(dev, stok)) {
-		dev_err(dev, "Couldn't map stats buffer\n");
-		return -1;
+	rc = dma_mapping_error(dev, stok);
+	if (rc) {
+		dev_err(dev, "Couldn't map stats buffer, rc = %d\n", rc);
+		return rc;
 	}
 
 	adapter->stats_token = stok;
@@ -655,7 +657,7 @@ static int init_rx_pools(struct net_device *netdev)
 	u64 num_pools;
 	u64 pool_size;		/* # of buffers in one pool */
 	u64 buff_size;
-	int i, j;
+	int i, j, rc;
 
 	pool_size = adapter->req_rx_add_entries_per_subcrq;
 	num_pools = adapter->req_rx_queues;
@@ -674,7 +676,7 @@ static int init_rx_pools(struct net_device *netdev)
 				   GFP_KERNEL);
 	if (!adapter->rx_pool) {
 		dev_err(dev, "Failed to allocate rx pools\n");
-		return -1;
+		return -ENOMEM;
 	}
 
 	/* Set num_active_rx_pools early. If we fail below after partial
@@ -697,6 +699,7 @@ static int init_rx_pools(struct net_device *netdev)
 					    GFP_KERNEL);
 		if (!rx_pool->free_map) {
 			dev_err(dev, "Couldn't alloc free_map %d\n", i);
+			rc = -ENOMEM;
 			goto out_release;
 		}
 
@@ -705,6 +708,7 @@ static int init_rx_pools(struct net_device *netdev)
 					   GFP_KERNEL);
 		if (!rx_pool->rx_buff) {
 			dev_err(dev, "Couldn't alloc rx buffers\n");
+			rc = -ENOMEM;
 			goto out_release;
 		}
 	}
@@ -718,8 +722,9 @@ static int init_rx_pools(struct net_device *netdev)
 		dev_dbg(dev, "Updating LTB for rx pool %d [%d, %d]\n",
 			i, rx_pool->size, rx_pool->buff_size);
 
-		if (alloc_long_term_buff(adapter, &rx_pool->long_term_buff,
-					 rx_pool->size * rx_pool->buff_size))
+		rc = alloc_long_term_buff(adapter, &rx_pool->long_term_buff,
+					  rx_pool->size * rx_pool->buff_size);
+		if (rc)
 			goto out;
 
 		for (j = 0; j < rx_pool->size; ++j) {
@@ -756,7 +761,7 @@ static int init_rx_pools(struct net_device *netdev)
 	/* We failed to allocate one or more LTBs or map them on the VIOS.
 	 * Hold onto the pools and any LTBs that we did allocate/map.
 	 */
-	return -1;
+	return rc;
 }
 
 static void release_vpd_data(struct ibmvnic_adapter *adapter)
@@ -817,13 +822,13 @@ static int init_one_tx_pool(struct net_device *netdev,
 				   sizeof(struct ibmvnic_tx_buff),
 				   GFP_KERNEL);
 	if (!tx_pool->tx_buff)
-		return -1;
+		return -ENOMEM;
 
 	tx_pool->free_map = kcalloc(pool_size, sizeof(int), GFP_KERNEL);
 	if (!tx_pool->free_map) {
 		kfree(tx_pool->tx_buff);
 		tx_pool->tx_buff = NULL;
-		return -1;
+		return -ENOMEM;
 	}
 
 	for (i = 0; i < pool_size; i++)
@@ -914,7 +919,7 @@ static int init_tx_pools(struct net_device *netdev)
 	adapter->tx_pool = kcalloc(num_pools,
 				   sizeof(struct ibmvnic_tx_pool), GFP_KERNEL);
 	if (!adapter->tx_pool)
-		return -1;
+		return -ENOMEM;
 
 	adapter->tso_pool = kcalloc(num_pools,
 				    sizeof(struct ibmvnic_tx_pool), GFP_KERNEL);
@@ -924,7 +929,7 @@ static int init_tx_pools(struct net_device *netdev)
 	if (!adapter->tso_pool) {
 		kfree(adapter->tx_pool);
 		adapter->tx_pool = NULL;
-		return -1;
+		return -ENOMEM;
 	}
 
 	/* Set num_active_tx_pools early. If we fail below after partial
@@ -1113,7 +1118,7 @@ static int ibmvnic_login(struct net_device *netdev)
 		retry = false;
 		if (retry_count > retries) {
 			netdev_warn(netdev, "Login attempts exceeded\n");
-			return -1;
+			return -EACCES;
 		}
 
 		adapter->init_done_rc = 0;
@@ -1154,25 +1159,26 @@ static int ibmvnic_login(struct net_device *netdev)
 							 timeout)) {
 				netdev_warn(netdev,
 					    "Capabilities query timed out\n");
-				return -1;
+				return -ETIMEDOUT;
 			}
 
 			rc = init_sub_crqs(adapter);
 			if (rc) {
 				netdev_warn(netdev,
 					    "SCRQ initialization failed\n");
-				return -1;
+				return rc;
 			}
 
 			rc = init_sub_crq_irqs(adapter);
 			if (rc) {
 				netdev_warn(netdev,
 					    "SCRQ irq initialization failed\n");
-				return -1;
+				return rc;
 			}
 		} else if (adapter->init_done_rc) {
-			netdev_warn(netdev, "Adapter login failed\n");
-			return -1;
+			netdev_warn(netdev, "Adapter login failed, init_done_rc = %d\n",
+				    adapter->init_done_rc);
+			return -EIO;
 		}
 	} while (retry);
 
@@ -1231,7 +1237,7 @@ static int set_link_state(struct ibmvnic_adapter *adapter, u8 link_state)
 		if (!wait_for_completion_timeout(&adapter->init_done,
 						 timeout)) {
 			netdev_err(netdev, "timeout setting link state\n");
-			return -1;
+			return -ETIMEDOUT;
 		}
 
 		if (adapter->init_done_rc == PARTIALSUCCESS) {
@@ -2288,7 +2294,7 @@ static int do_reset(struct ibmvnic_adapter *adapter,
 				/* If someone else changed the adapter state
 				 * when we dropped the rtnl, fail the reset
 				 */
-				rc = -1;
+				rc = -EAGAIN;
 				goto out;
 			}
 			adapter->state = VNIC_CLOSED;
@@ -2330,10 +2336,8 @@ static int do_reset(struct ibmvnic_adapter *adapter,
 		}
 
 		rc = ibmvnic_reset_init(adapter, true);
-		if (rc) {
-			rc = IBMVNIC_INIT_FAILED;
+		if (rc)
 			goto out;
-		}
 
 		/* If the adapter was in PROBE or DOWN state prior to the reset,
 		 * exit here.
@@ -3759,7 +3763,7 @@ static int init_sub_crqs(struct ibmvnic_adapter *adapter)
 
 	allqueues = kcalloc(total_queues, sizeof(*allqueues), GFP_KERNEL);
 	if (!allqueues)
-		return -1;
+		return -ENOMEM;
 
 	for (i = 0; i < total_queues; i++) {
 		allqueues[i] = init_sub_crq_queue(adapter);
@@ -3828,7 +3832,7 @@ static int init_sub_crqs(struct ibmvnic_adapter *adapter)
 	for (i = 0; i < registered_queues; i++)
 		release_sub_crq_queue(adapter, allqueues[i], 1);
 	kfree(allqueues);
-	return -1;
+	return -ENOMEM;
 }
 
 static void send_request_cap(struct ibmvnic_adapter *adapter, int retry)
@@ -4187,7 +4191,7 @@ static int send_login(struct ibmvnic_adapter *adapter)
 	if (!adapter->tx_scrq || !adapter->rx_scrq) {
 		netdev_err(adapter->netdev,
 			   "RX or TX queues are not allocated, device login failed\n");
-		return -1;
+		return -ENOMEM;
 	}
 
 	release_login_buffer(adapter);
@@ -4307,7 +4311,7 @@ static int send_login(struct ibmvnic_adapter *adapter)
 	kfree(login_buffer);
 	adapter->login_buf = NULL;
 buf_alloc_failed:
-	return -1;
+	return -ENOMEM;
 }
 
 static int send_request_map(struct ibmvnic_adapter *adapter, dma_addr_t addr,
@@ -5628,7 +5632,7 @@ static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter, bool reset)
 
 	if (!wait_for_completion_timeout(&adapter->init_done, timeout)) {
 		dev_err(dev, "Initialization sequence timed out\n");
-		return -1;
+		return -ETIMEDOUT;
 	}
 
 	if (adapter->init_done_rc) {
@@ -5639,7 +5643,7 @@ static int ibmvnic_reset_init(struct ibmvnic_adapter *adapter, bool reset)
 	if (adapter->from_passive_init) {
 		adapter->state = VNIC_OPEN;
 		adapter->from_passive_init = false;
-		return -1;
+		return -EINVAL;
 	}
 
 	if (reset &&
-- 
2.27.0


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* [PATCH net 2/2] ibmvnic: remove unused defines
  2021-12-14  5:17 [PATCH net 0/2] cleanup return codes Dany Madden
  2021-12-14  5:17 ` [PATCH net 1/2] ibmvnic: Update driver " Dany Madden
@ 2021-12-14  5:17 ` Dany Madden
  2021-12-15 21:17   ` Sukadev Bhattiprolu
  2021-12-14 13:00 ` [PATCH net 0/2] cleanup return codes patchwork-bot+netdevbpf
  2 siblings, 1 reply; 6+ messages in thread
From: Dany Madden @ 2021-12-14  5:17 UTC (permalink / raw)
  To: netdev; +Cc: sukadev, ricklind, brking, otis

IBMVNIC_STATS_TIMEOUT and IBMVNIC_INIT_FAILED are not used in the driver.
Remove them.

Suggested-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Signed-off-by: Dany Madden <drt@linux.ibm.com>
---
 drivers/net/ethernet/ibm/ibmvnic.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h
index b8e42f67d897..4a8f36e0ab07 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.h
+++ b/drivers/net/ethernet/ibm/ibmvnic.h
@@ -18,8 +18,6 @@
 #define IBMVNIC_NAME		"ibmvnic"
 #define IBMVNIC_DRIVER_VERSION	"1.0.1"
 #define IBMVNIC_INVALID_MAP	-1
-#define IBMVNIC_STATS_TIMEOUT	1
-#define IBMVNIC_INIT_FAILED	2
 #define IBMVNIC_OPEN_FAILED	3
 
 /* basic structures plus 100 2k buffers */
-- 
2.27.0


^ permalink raw reply related	[flat|nested] 6+ messages in thread

* Re: [PATCH net 0/2] cleanup return codes
  2021-12-14  5:17 [PATCH net 0/2] cleanup return codes Dany Madden
  2021-12-14  5:17 ` [PATCH net 1/2] ibmvnic: Update driver " Dany Madden
  2021-12-14  5:17 ` [PATCH net 2/2] ibmvnic: remove unused defines Dany Madden
@ 2021-12-14 13:00 ` patchwork-bot+netdevbpf
  2 siblings, 0 replies; 6+ messages in thread
From: patchwork-bot+netdevbpf @ 2021-12-14 13:00 UTC (permalink / raw)
  To: Dany Madden; +Cc: netdev, sukadev, ricklind, brking, otis

Hello:

This series was applied to netdev/net-next.git (master)
by David S. Miller <davem@davemloft.net>:

On Tue, 14 Dec 2021 00:17:46 -0500 you wrote:
> Update return code in the driver and remove unused defines from header
> file.
> 
> Dany Madden (2):
>   ibmvnic: Update driver return codes
>   ibmvnic: remove unused defines
> 
> [...]

Here is the summary with links:
  - [net,1/2] ibmvnic: Update driver return codes
    https://git.kernel.org/netdev/net-next/c/b6ee566cf394
  - [net,2/2] ibmvnic: remove unused defines
    https://git.kernel.org/netdev/net-next/c/fe4c82a7e0f0

You are awesome, thank you!
-- 
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH net 1/2] ibmvnic: Update driver return codes
  2021-12-14  5:17 ` [PATCH net 1/2] ibmvnic: Update driver " Dany Madden
@ 2021-12-15 21:17   ` Sukadev Bhattiprolu
  0 siblings, 0 replies; 6+ messages in thread
From: Sukadev Bhattiprolu @ 2021-12-15 21:17 UTC (permalink / raw)
  To: Dany Madden; +Cc: netdev, ricklind, brking, otis

Dany Madden [drt@linux.ibm.com] wrote:
> Update return codes to be more informative.
> 
> Signed-off-by: Jacob Root <otis@otisroot.com>
> Signed-off-by: Dany Madden <drt@linux.ibm.com>
Reviewed-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>

^ permalink raw reply	[flat|nested] 6+ messages in thread

* Re: [PATCH net 2/2] ibmvnic: remove unused defines
  2021-12-14  5:17 ` [PATCH net 2/2] ibmvnic: remove unused defines Dany Madden
@ 2021-12-15 21:17   ` Sukadev Bhattiprolu
  0 siblings, 0 replies; 6+ messages in thread
From: Sukadev Bhattiprolu @ 2021-12-15 21:17 UTC (permalink / raw)
  To: Dany Madden; +Cc: netdev, ricklind, brking, otis

Dany Madden [drt@linux.ibm.com] wrote:
> IBMVNIC_STATS_TIMEOUT and IBMVNIC_INIT_FAILED are not used in the driver.
> Remove them.
> 
> Suggested-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
> Signed-off-by: Dany Madden <drt@linux.ibm.com>
Reviewed-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2021-12-15 21:17 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2021-12-14  5:17 [PATCH net 0/2] cleanup return codes Dany Madden
2021-12-14  5:17 ` [PATCH net 1/2] ibmvnic: Update driver " Dany Madden
2021-12-15 21:17   ` Sukadev Bhattiprolu
2021-12-14  5:17 ` [PATCH net 2/2] ibmvnic: remove unused defines Dany Madden
2021-12-15 21:17   ` Sukadev Bhattiprolu
2021-12-14 13:00 ` [PATCH net 0/2] cleanup return codes patchwork-bot+netdevbpf

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