The comment explains the intention, but vid has type u16. Before the
inner shift, it is promoted to int, which has plenty of space for all
vid's bits, so nothing is dropped. Use a simple mask instead.
Signed-off-by: Rasmus Villemoes <li...@rasmusvillemoes.dk>
---
drivers/net/ethernet/intel/fm10k/fm10k_pf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c
b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c
index 275423d4f777..b1c57d0166a9 100644
--- a/drivers/net/ethernet/intel/fm10k/fm10k_pf.c
+++ b/drivers/net/ethernet/intel/fm10k/fm10k_pf.c
@@ -335,7 +335,7 @@ static s32 fm10k_update_xc_addr_pf(struct fm10k_hw *hw, u16
glort,
return FM10K_ERR_PARAM;
/* drop upper 4 bits of VLAN ID */
- vid = (vid << 4) >> 4;
+ vid &= 0x0fff;
/* record fields */
mac_update.mac_lower = cpu_to_le32(((u32)mac[2] << 24) |
--
2.1.3
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