From 35fdb94b453bc69b7bc74b717f1e03d41d4bcdba Mon Sep 17 00:00:00 2001 From: Steven La Date: Fri, 23 Aug 2013 17:19:37 -0700 Subject: [PATCH] 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 Acked-by: Arthur Kepner Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher Signed-off-by: David S. Miller --- drivers/net/ethernet/intel/e1000e/82571.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c index 104fcec..8fed74e 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 */ -- 2.7.4