[PATCH net-next] sfc: don't use netif_info et al before net_device is registered

Subsystems: networking drivers, sfc network driver, the rest

STALE1944d

2 messages, 2 authors, 2021-05-18 · open the first message on its own page

[PATCH net-next] sfc: don't use netif_info et al before net_device is registered

From: Heiner Kallweit <hkallweit1@gmail.com>
Date: 2021-05-13 21:29:23

Using netif_info() before the net_device is registered results in ugly
messages like the following:
sfc 0000:01:00.1 (unnamed net_device) (uninitialized): Solarflare NIC detected
Therefore use pci_info() et al until net_device is registered.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
---
 drivers/net/ethernet/sfc/efx.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index c746ca723..4fd9903ff 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -722,8 +722,7 @@ static int efx_register_netdev(struct efx_nic *efx)
 	efx->state = STATE_READY;
 	smp_mb(); /* ensure we change state before checking reset_pending */
 	if (efx->reset_pending) {
-		netif_err(efx, probe, efx->net_dev,
-			  "aborting probe due to scheduled reset\n");
+		pci_err(efx->pci_dev, "aborting probe due to scheduled reset\n");
 		rc = -EIO;
 		goto fail_locked;
 	}
@@ -990,8 +989,7 @@ static int efx_pci_probe_main(struct efx_nic *efx)
 	rc = efx->type->init(efx);
 	up_write(&efx->filter_sem);
 	if (rc) {
-		netif_err(efx, probe, efx->net_dev,
-			  "failed to initialise NIC\n");
+		pci_err(efx->pci_dev, "failed to initialise NIC\n");
 		goto fail3;
 	}
 
@@ -1038,8 +1036,8 @@ static int efx_pci_probe_post_io(struct efx_nic *efx)
 	if (efx->type->sriov_init) {
 		rc = efx->type->sriov_init(efx);
 		if (rc)
-			netif_err(efx, probe, efx->net_dev,
-				  "SR-IOV can't be enabled rc %d\n", rc);
+			pci_err(efx->pci_dev, "SR-IOV can't be enabled rc %d\n",
+				rc);
 	}
 
 	/* Determine netdevice features */
@@ -1106,8 +1104,7 @@ static int efx_pci_probe(struct pci_dev *pci_dev,
 	if (rc)
 		goto fail1;
 
-	netif_info(efx, probe, efx->net_dev,
-		   "Solarflare NIC detected\n");
+	pci_info(pci_dev, "Solarflare NIC detected\n");
 
 	if (!efx->type->is_vf)
 		efx_probe_vpd_strings(efx);
-- 
2.31.1

Re: [PATCH net-next] sfc: don't use netif_info et al before net_device is registered

From: Martin Habets <hidden>
Date: 2021-05-18 13:58:15

On Thu, May 13, 2021 at 11:29:12PM +0200, Heiner Kallweit wrote:
Using netif_info() before the net_device is registered results in ugly
messages like the following:
sfc 0000:01:00.1 (unnamed net_device) (uninitialized): Solarflare NIC detected
Therefore use pci_info() et al until net_device is registered.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Hard to believe I've seen those messages for years and not noticed.
Thanks!

Acked-by: Martin Habets <redacted>
quoted hunk
---
 drivers/net/ethernet/sfc/efx.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index c746ca723..4fd9903ff 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -722,8 +722,7 @@ static int efx_register_netdev(struct efx_nic *efx)
 	efx->state = STATE_READY;
 	smp_mb(); /* ensure we change state before checking reset_pending */
 	if (efx->reset_pending) {
-		netif_err(efx, probe, efx->net_dev,
-			  "aborting probe due to scheduled reset\n");
+		pci_err(efx->pci_dev, "aborting probe due to scheduled reset\n");
 		rc = -EIO;
 		goto fail_locked;
 	}
@@ -990,8 +989,7 @@ static int efx_pci_probe_main(struct efx_nic *efx)
 	rc = efx->type->init(efx);
 	up_write(&efx->filter_sem);
 	if (rc) {
-		netif_err(efx, probe, efx->net_dev,
-			  "failed to initialise NIC\n");
+		pci_err(efx->pci_dev, "failed to initialise NIC\n");
 		goto fail3;
 	}
 
@@ -1038,8 +1036,8 @@ static int efx_pci_probe_post_io(struct efx_nic *efx)
 	if (efx->type->sriov_init) {
 		rc = efx->type->sriov_init(efx);
 		if (rc)
-			netif_err(efx, probe, efx->net_dev,
-				  "SR-IOV can't be enabled rc %d\n", rc);
+			pci_err(efx->pci_dev, "SR-IOV can't be enabled rc %d\n",
+				rc);
 	}
 
 	/* Determine netdevice features */
@@ -1106,8 +1104,7 @@ static int efx_pci_probe(struct pci_dev *pci_dev,
 	if (rc)
 		goto fail1;
 
-	netif_info(efx, probe, efx->net_dev,
-		   "Solarflare NIC detected\n");
+	pci_info(pci_dev, "Solarflare NIC detected\n");
 
 	if (!efx->type->is_vf)
 		efx_probe_vpd_strings(efx);
-- 
2.31.1
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