[PATCH] ixgbevf: use ARRAY_SIZE for various array sizing calculations

From: Colin King
Date: Sun Jan 07 2018 - 09:52:10 EST


From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Use the ARRAY_SIZE macro on various arrays to determine
size of the arrays. Improvement suggested by coccinelle.

Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
drivers/net/ethernet/intel/ixgbevf/vf.c | 17 +++++++----------
1 file changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c
index 0c25006ce9af..cd79c4a73b48 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.c
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.c
@@ -285,7 +285,7 @@ static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr)
ether_addr_copy(msg_addr, addr);

ret_val = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf,
- sizeof(msgbuf) / sizeof(u32));
+ ARRAY_SIZE(msgbuf));
if (!ret_val) {
msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;

@@ -455,8 +455,7 @@ static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr,
ether_addr_copy(msg_addr, addr);

ret_val = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf,
- sizeof(msgbuf) / sizeof(u32));
-
+ ARRAY_SIZE(msgbuf));
msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS;

/* if nacked the address was rejected, use "perm_addr" */
@@ -571,7 +570,7 @@ static s32 ixgbevf_update_xcast_mode(struct ixgbe_hw *hw, int xcast_mode)
msgbuf[1] = xcast_mode;

err = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf,
- sizeof(msgbuf) / sizeof(u32));
+ ARRAY_SIZE(msgbuf));
if (err)
return err;

@@ -609,7 +608,7 @@ static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind,
msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT;

err = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf,
- sizeof(msgbuf) / sizeof(u32));
+ ARRAY_SIZE(msgbuf));
if (err)
goto mbx_err;

@@ -813,7 +812,7 @@ static s32 ixgbevf_set_rlpml_vf(struct ixgbe_hw *hw, u16 max_size)
msgbuf[1] = max_size;

ret_val = ixgbevf_write_msg_read_ack(hw, msgbuf, msgbuf,
- sizeof(msgbuf) / sizeof(u32));
+ ARRAY_SIZE(msgbuf));
if (ret_val)
return ret_val;
if ((msgbuf[0] & IXGBE_VF_SET_LPE) &&
@@ -859,8 +858,7 @@ static int ixgbevf_negotiate_api_version_vf(struct ixgbe_hw *hw, int api)
msg[1] = api;
msg[2] = 0;

- err = ixgbevf_write_msg_read_ack(hw, msg, msg,
- sizeof(msg) / sizeof(u32));
+ err = ixgbevf_write_msg_read_ack(hw, msg, msg, ARRAY_SIZE(msg));
if (!err) {
msg[0] &= ~IXGBE_VT_MSGTYPE_CTS;

@@ -911,8 +909,7 @@ int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs,
msg[0] = IXGBE_VF_GET_QUEUE;
msg[1] = msg[2] = msg[3] = msg[4] = 0;

- err = ixgbevf_write_msg_read_ack(hw, msg, msg,
- sizeof(msg) / sizeof(u32));
+ err = ixgbevf_write_msg_read_ack(hw, msg, msg, ARRAY_SIZE(msg));
if (!err) {
msg[0] &= ~IXGBE_VT_MSGTYPE_CTS;

--
2.15.1