diff options
| author |   Steven La <sla@riverbed.com> | 2013-08-23 17:19:37 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2013-08-27 16:05:26 -0400 |
| commit | 35fdb94b453bc69b7bc74b717f1e03d41d4bcdba (patch) | |
| tree | 5b96a2717afd5affed63f790d7e217660adb25b8 /drivers | |
| parent | Documentation/networking/: Update Intel wired LAN driver documentation (diff) | |
| download | linux-dev-35fdb94b453bc69b7bc74b717f1e03d41d4bcdba.tar.xz linux-dev-35fdb94b453bc69b7bc74b717f1e03d41d4bcdba.zip | |
e1000e: balance semaphore put/get for 82573
Steven (cc-ed) noticed an imbalance in semaphore put/get for
82573-based NICs. Don't we need something like the following
(untested) patch?
Signed-off-by: Steven La <sla@riverbed.com>
Acked-by: Arthur Kepner <akepner@riverbed.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/intel/e1000e/82571.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index 104fcec86af3..8fed74e3fa53 100644 --- a/drivers/net/ethernet/intel/e1000e/82571.c +++ b/drivers/net/ethernet/intel/e1000e/82571.c @@ -1011,6 +1011,11 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw) /* Must release MDIO ownership and mutex after MAC reset. */ switch (hw->mac.type) { + case e1000_82573: + /* Release mutex only if the hw semaphore is acquired */ + if (!ret_val) + e1000_put_hw_semaphore_82573(hw); + break; case e1000_82574: case e1000_82583: /* Release mutex only if the hw semaphore is acquired */ |