ixgbevf: use ARRAY_SIZE for various array sizing calculations

Message ID 20180107145146.2934-1-colin.king@canonical.com
State Under Review
Delegated to: Jeff Kirsher
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Series
  • ixgbevf: use ARRAY_SIZE for various array sizing calculations
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Commit Message

Colin King Jan. 7, 2018, 2:51 p.m.
From: Colin Ian King <colin.king@canonical.com>

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@canonical.com>
---
 drivers/net/ethernet/intel/ixgbevf/vf.c | 17 +++++++----------
 1 file changed, 7 insertions(+), 10 deletions(-)

Comments

Bowers, AndrewX Jan. 9, 2018, 10:36 p.m. | #1
> -----Original Message-----
> From: Intel-wired-lan [mailto:intel-wired-lan-bounces@osuosl.org] On
> Behalf Of Colin King
> Sent: Sunday, January 7, 2018 6:52 AM
> To: Kirsher, Jeffrey T <jeffrey.t.kirsher@intel.com>; intel-wired-
> lan@lists.osuosl.org; netdev@vger.kernel.org
> Cc: kernel-janitors@vger.kernel.org; linux-kernel@vger.kernel.org
> Subject: [Intel-wired-lan] [PATCH] ixgbevf: use ARRAY_SIZE for various array
> sizing calculations
> 
> From: Colin Ian King <colin.king@canonical.com>
> 
> 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@canonical.com>
> ---
>  drivers/net/ethernet/intel/ixgbevf/vf.c | 17 +++++++----------
>  1 file changed, 7 insertions(+), 10 deletions(-)

Tested-by: Andrew Bowers <andrewx.bowers@intel.com>

Patch

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;