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sfc: Warn if unable to create MTDs

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Log an explicit warning if we are unable to create MTDs for a net
device.  Also correct the comment about why mtd_device_register() may
fail; there is no longer an MTD table to fill up.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2012-01-27 17:23:58 +00:00
parent 5b6262d0cc
commit 7c43161c11
2 changed files with 7 additions and 2 deletions
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7
drivers/net/ethernet/sfc/efx.c
View file

@ -2502,9 +2502,14 @@ static int __devinit efx_pci_probe(struct pci_dev *pci_dev,
netif_dbg(efx, probe, efx->net_dev, "initialisation successful\n");
/* Try to create MTDs, but allow this to fail */
rtnl_lock();
efx_mtd_probe(efx); /* allowed to fail */
rc = efx_mtd_probe(efx);
rtnl_unlock();
if (rc)
netif_warn(efx, probe, efx->net_dev,
"failed to create MTDs (%d)\n", rc);
return 0;
fail4:

2
drivers/net/ethernet/sfc/mtd.c
View file

@ -280,7 +280,7 @@ fail:
--part;
efx_mtd_remove_partition(part);
}
/* mtd_device_register() returns 1 if the MTD table is full */
/* Failure is unlikely here, but probably means we're out of memory */
return -ENOMEM;
}