linux-kernel - [net-next PATCH v2 1/3] octeontx2-af: debugfs: Minor changes.

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Date:   Tue, 26 Oct 2021 17:48:12 +0530
From:   Rakesh Babu <rsaladi2@...vell.com>
To:     <sgoutham@...vell.com>, <gakula@...vell.com>,
        <sbhatta@...vell.com>, <hkelam@...vell.com>, <davem@...emloft.net>,
        <kuba@...nel.org>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Rakesh Babu <rsaladi2@...vell.com>
Subject: [net-next PATCH v2 1/3] octeontx2-af: debugfs: Minor changes.

Few changes in rvu_debugfs.c file to remove unwanted characters,
indenting the code, code enhancement, added a new comment line etc.
This patch also has the null pointer check in rvu_nix.c file.

Signed-off-by: Rakesh Babu <rsaladi2@...vell.com>
Signed-off-by: Sunil Kovvuri Goutham <sgoutham@...vell.com>
---
 .../marvell/octeontx2/af/rvu_debugfs.c        | 24 +++++++++----------
 .../ethernet/marvell/octeontx2/af/rvu_nix.c   |  3 +++
 2 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
index 9338765da048..1679d83cf779 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
@@ -95,7 +95,7 @@ static char *cgx_tx_stats_fields[] = {
 	[CGX_STAT5]	= "Total frames sent on the interface",
 	[CGX_STAT6]	= "Packets sent with an octet count < 64",
 	[CGX_STAT7]	= "Packets sent with an octet count == 64",
-	[CGX_STAT8]	= "Packets sent with an octet count of 65–127",
+	[CGX_STAT8]	= "Packets sent with an octet count of 65-127",
 	[CGX_STAT9]	= "Packets sent with an octet count of 128-255",
 	[CGX_STAT10]	= "Packets sent with an octet count of 256-511",
 	[CGX_STAT11]	= "Packets sent with an octet count of 512-1023",
@@ -125,7 +125,7 @@ static char *rpm_rx_stats_fields[] = {
 	"Total frames received on interface",
 	"Packets received with an octet count < 64",
 	"Packets received with an octet count == 64",
-	"Packets received with an octet count of 65â127",
+	"Packets received with an octet count of 65-127",
 	"Packets received with an octet count of 128-255",
 	"Packets received with an octet count of 256-511",
 	"Packets received with an octet count of 512-1023",
@@ -164,7 +164,7 @@ static char *rpm_tx_stats_fields[] = {
 	"Packets sent to the multicast DMAC",
 	"Packets sent to a broadcast DMAC",
 	"Packets sent with an octet count == 64",
-	"Packets sent with an octet count of 65â127",
+	"Packets sent with an octet count of 65-127",
 	"Packets sent with an octet count of 128-255",
 	"Packets sent with an octet count of 256-511",
 	"Packets sent with an octet count of 512-1023",
@@ -504,7 +504,7 @@ static ssize_t rvu_dbg_qsize_write(struct file *filp,
 	if (cmd_buf)
 		ret = -EINVAL;

-	if (!strncmp(subtoken, "help", 4) || ret < 0) {
+	if (ret < 0 || !strncmp(subtoken, "help", 4)) {
 		dev_info(rvu->dev, "Use echo <%s-lf > qsize\n", blk_string);
 		goto qsize_write_done;
 	}
@@ -1878,7 +1878,7 @@ static int cgx_print_stats(struct seq_file *s, int lmac_id)
 		return -ENODEV;

 	mac_ops = get_mac_ops(cgxd);
-
+	/* There can be no CGX devices at all */
 	if (!mac_ops)
 		return 0;

@@ -1956,13 +1956,13 @@ static int cgx_print_stats(struct seq_file *s, int lmac_id)
 		if (err)
 			return err;

-	if (is_rvu_otx2(rvu))
-		seq_printf(s, "%s: %llu\n", cgx_tx_stats_fields[stat],
-			   tx_stat);
-	else
-		seq_printf(s, "%s: %llu\n", rpm_tx_stats_fields[stat],
-			   tx_stat);
-	stat++;
+		if (is_rvu_otx2(rvu))
+			seq_printf(s, "%s: %llu\n", cgx_tx_stats_fields[stat],
+				   tx_stat);
+		else
+			seq_printf(s, "%s: %llu\n", rpm_tx_stats_fields[stat],
+				   tx_stat);
+		stat++;
 	}

 	return err;
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
index 7761dcf17b91..d8b1948aaa0a 100644
--- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
@@ -2583,6 +2583,9 @@ static void nix_free_tx_vtag_entries(struct rvu *rvu, u16 pcifunc)
 		return;

 	nix_hw = get_nix_hw(rvu->hw, blkaddr);
+	if (!nix_hw)
+		return;
+
 	vlan = &nix_hw->txvlan;

 	mutex_lock(&vlan->rsrc_lock);
--
2.17.1