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ixgbevf: fix msglen for ipsec mbx messages

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Don't be fancy with message lengths, just set lengths to
number of dwords, not bytes.

Fixes: 0062e7cc95 ("ixgbevf: add VF IPsec offload code")
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Shannon Nelson 2018-09-04 12:33:29 -07:00 committed by Jeff Kirsher
parent 072eff2d9e
commit 2c49d34f3b
1 changed files with 4 additions and 7 deletions
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11
drivers/net/ethernet/intel/ixgbevf/ipsec.c
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@ -21,7 +21,6 @@ static int ixgbevf_ipsec_set_pf_sa(struct ixgbevf_adapter *adapter,
u32 msgbuf[IXGBE_VFMAILBOX_SIZE] = { 0 };
struct ixgbe_hw *hw = &adapter->hw;
struct sa_mbx_msg *sam;
u16 msglen;
int ret;
/* send the important bits to the PF */
@ -38,16 +37,14 @@ static int ixgbevf_ipsec_set_pf_sa(struct ixgbevf_adapter *adapter,
memcpy(sam->key, xs->aead->alg_key, sizeof(sam->key));
msgbuf[0] = IXGBE_VF_IPSEC_ADD;
msglen = sizeof(*sam) + sizeof(msgbuf[0]);
spin_lock_bh(&adapter->mbx_lock);
ret = hw->mbx.ops.write_posted(hw, msgbuf, msglen);
ret = hw->mbx.ops.write_posted(hw, msgbuf, IXGBE_VFMAILBOX_SIZE);
if (ret)
goto out;
msglen = sizeof(msgbuf[0]) * 2;
ret = hw->mbx.ops.read_posted(hw, msgbuf, msglen);
ret = hw->mbx.ops.read_posted(hw, msgbuf, 2);
if (ret)
goto out;
@ -80,11 +77,11 @@ static int ixgbevf_ipsec_del_pf_sa(struct ixgbevf_adapter *adapter, int pfsa)
spin_lock_bh(&adapter->mbx_lock);
err = hw->mbx.ops.write_posted(hw, msgbuf, sizeof(msgbuf));
err = hw->mbx.ops.write_posted(hw, msgbuf, 2);
if (err)
goto out;
err = hw->mbx.ops.read_posted(hw, msgbuf, sizeof(msgbuf));
err = hw->mbx.ops.read_posted(hw, msgbuf, 2);
if (err)
goto out;