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| author | David Decotigny <decot@google.com> | 2011-04-27 18:32:38 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-04-29 14:01:30 -0700 |
| commit | 8ae6daca85c8bbd6a32c382db5e2a2a989f8bed2 (patch) | |
| tree | 0c85476c2af6568c3d3a73a960d582d2f91a1256 /drivers/scsi/bnx2fc | |
| parent | 36504605432996590f889e33d47e2d9c581f7569 (diff) | |
| download | linux-8ae6daca85c8bbd6a32c382db5e2a2a989f8bed2.tar.bz2 | |
ethtool: Call ethtool's get/set_settings callbacks with cleaned data
This makes sure that when a driver calls the ethtool's
get/set_settings() callback of another driver, the data passed to it
is clean. This guarantees that speed_hi will be zeroed correctly if
the called callback doesn't explicitely set it: we are sure we don't
get a corrupted speed from the underlying driver. We also take care of
setting the cmd field appropriately (ETHTOOL_GSET/SSET).
This applies to dev_ethtool_get_settings(), which now makes sure it
sets up that ethtool command parameter correctly before passing it to
drivers. This also means that whoever calls dev_ethtool_get_settings()
does not have to clean the ethtool command parameter. This function
also becomes an exported symbol instead of an inline.
All drivers visible to make allyesconfig under x86_64 have been
updated.
Signed-off-by: David Decotigny <decot@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/scsi/bnx2fc')
| -rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index e2e647509a73..cd050196a163 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -664,7 +664,7 @@ static void bnx2fc_link_speed_update(struct fc_lport *lport) struct fcoe_port *port = lport_priv(lport); struct bnx2fc_hba *hba = port->priv; struct net_device *netdev = hba->netdev; - struct ethtool_cmd ecmd = { ETHTOOL_GSET }; + struct ethtool_cmd ecmd; if (!dev_ethtool_get_settings(netdev, &ecmd)) { lport->link_supported_speeds &= @@ -675,12 +675,15 @@ static void bnx2fc_link_speed_update(struct fc_lport *lport) if (ecmd.supported & SUPPORTED_10000baseT_Full) lport->link_supported_speeds |= FC_PORTSPEED_10GBIT; - if (ecmd.speed == SPEED_1000) + switch (ethtool_cmd_speed(&ecmd)) { + case SPEED_1000: lport->link_speed = FC_PORTSPEED_1GBIT; - if (ecmd.speed == SPEED_10000) + break; + case SPEED_10000: lport->link_speed = FC_PORTSPEED_10GBIT; + break; + } } - return; } static int bnx2fc_link_ok(struct fc_lport *lport) { |