aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net
diff options
context:
space:
mode:
authorEmil Tantilov <emil.s.tantilov@intel.com>2016-06-09 10:45:34 -0700
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2016-07-22 00:49:32 -0700
commitfc355e078a830c40f6245a55ecfff6481a4bcf57 (patch)
treea977d1ef2b6ca33bf3b641f9cdeef7d64a745a76 /drivers/net
parentMerge branch 'macsec-gro' (diff)
downloadlinux-dev-fc355e078a830c40f6245a55ecfff6481a4bcf57.tar.xz
linux-dev-fc355e078a830c40f6245a55ecfff6481a4bcf57.zip
ixgbevf: fix NACK check in ixgbevf_set_uc_addr_vf()
Fix the NACK check in ixgbevf_set_uc_addr_vf() for instances where index != 0. Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/intel/ixgbevf/vf.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c
index e670d3b19c3c..aa2b1e88f861 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.c
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.c
@@ -256,7 +256,7 @@ static s32 ixgbevf_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr)
static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
{
struct ixgbe_mbx_info *mbx = &hw->mbx;
- u32 msgbuf[3];
+ u32 msgbuf[3], msgbuf_chk;
u8 *msg_addr = (u8 *)(&msgbuf[1]);
s32 ret_val;
@@ -268,6 +268,8 @@ static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
*/
msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT;
msgbuf[0] |= IXGBE_VF_SET_MACVLAN;
+ msgbuf_chk = msgbuf[0];
+
if (addr)
ether_addr_copy(msg_addr, addr);
ret_val = mbx->ops.write_posted(hw, msgbuf, 3);
@@ -275,12 +277,12 @@ static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
if (!ret_val)
ret_val = mbx->ops.read_posted(hw, msgbuf, 3);
- msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
+ if (!ret_val) {
+ msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;
- if (!ret_val)
- if (msgbuf[0] ==
- (IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK))
- ret_val = -ENOMEM;
+ if (msgbuf[0] == (msgbuf_chk | IXGBE_VT_MSGTYPE_NACK))
+ return -ENOMEM;
+ }
return ret_val;
}