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Message-Id: <20230613123826.558-1-machel@vivo.com>
Date: Tue, 13 Jun 2023 20:38:15 +0800
From: Wang Ming <machel@...o.com>
To: Sunil Goutham <sgoutham@...vell.com>,
"David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
linux-arm-kernel@...ts.infradead.org,
netdev@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com,
Wang Ming <machel@...o.com>
Subject: [PATCH] drivers/thunder:improve-warning-message-in-device_for_each_child_node()
In device_for_each_child_node(), it should have fwnode_handle_put()
before break to prevent stale device node references from being
left behind.
Signed-off-by: Wang Ming <machel@...o.com>
---
.../net/ethernet/cavium/thunder/thunder_bgx.c | 37 ++++++++++---------
1 file changed, 20 insertions(+), 17 deletions(-)
diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
index a317feb8d..d37ee2872 100644
--- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
+++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c
@@ -90,7 +90,7 @@ static const struct pci_device_id bgx_id_table[] = {
MODULE_AUTHOR("Cavium Inc");
MODULE_DESCRIPTION("Cavium Thunder BGX/MAC Driver");
-MODULE_LICENSE("GPL v2");
+MODULE_LICENSE("GPL");
MODULE_VERSION(DRV_VERSION);
MODULE_DEVICE_TABLE(pci, bgx_id_table);
@@ -174,10 +174,10 @@ static struct bgx *get_bgx(int node, int bgx_idx)
}
/* Return number of BGX present in HW */
-unsigned bgx_get_map(int node)
+unsigned int bgx_get_map(int node)
{
int i;
- unsigned map = 0;
+ unsigned int map = 0;
for (i = 0; i < max_bgx_per_node; i++) {
if (bgx_vnic[(node * max_bgx_per_node) + i])
@@ -600,9 +600,9 @@ static void bgx_lmac_handler(struct net_device *netdev)
link_changed = -1;
if (phydev->link &&
- (lmac->last_duplex != phydev->duplex ||
- lmac->last_link != phydev->link ||
- lmac->last_speed != phydev->speed)) {
+ (lmac->last_duplex != phydev->duplex ||
+ lmac->last_link != phydev->link ||
+ lmac->last_speed != phydev->speed)) {
link_changed = 1;
}
@@ -783,7 +783,7 @@ static int bgx_lmac_xaui_init(struct bgx *bgx, struct lmac *lmac)
bgx_reg_write(bgx, lmacid, BGX_SPUX_BR_PMD_LD_REP, 0x00);
/* training enable */
bgx_reg_modify(bgx, lmacid,
- BGX_SPUX_BR_PMD_CRTL, SPU_PMD_CRTL_TRAIN_EN);
+ BGX_SPUX_BR_PMD_CRTL, SPU_PMD_CRTL_TRAIN_EN);
}
/* Append FCS to each packet */
@@ -1059,8 +1059,8 @@ static int bgx_lmac_enable(struct bgx *bgx, u8 lmacid)
lmac->bgx = bgx;
if ((lmac->lmac_type == BGX_MODE_SGMII) ||
- (lmac->lmac_type == BGX_MODE_QSGMII) ||
- (lmac->lmac_type == BGX_MODE_RGMII)) {
+ (lmac->lmac_type == BGX_MODE_QSGMII) ||
+ (lmac->lmac_type == BGX_MODE_RGMII)) {
lmac->is_sgmii = true;
if (bgx_lmac_sgmii_init(bgx, lmac))
return -1;
@@ -1096,9 +1096,9 @@ static int bgx_lmac_enable(struct bgx *bgx, u8 lmacid)
bgx_reg_write(bgx, lmacid, BGX_CMRX_RX_DMAC_CTL, 0x03);
if ((lmac->lmac_type != BGX_MODE_XFI) &&
- (lmac->lmac_type != BGX_MODE_XLAUI) &&
- (lmac->lmac_type != BGX_MODE_40G_KR) &&
- (lmac->lmac_type != BGX_MODE_10G_KR)) {
+ (lmac->lmac_type != BGX_MODE_XLAUI) &&
+ (lmac->lmac_type != BGX_MODE_40G_KR) &&
+ (lmac->lmac_type != BGX_MODE_10G_KR)) {
if (!lmac->phydev) {
if (lmac->autoneg) {
bgx_reg_write(bgx, lmacid,
@@ -1178,9 +1178,9 @@ static void bgx_lmac_disable(struct bgx *bgx, u8 lmacid)
kfree(lmac->dmacs);
if ((lmac->lmac_type != BGX_MODE_XFI) &&
- (lmac->lmac_type != BGX_MODE_XLAUI) &&
- (lmac->lmac_type != BGX_MODE_40G_KR) &&
- (lmac->lmac_type != BGX_MODE_10G_KR) && lmac->phydev)
+ (lmac->lmac_type != BGX_MODE_XLAUI) &&
+ (lmac->lmac_type != BGX_MODE_40G_KR) &&
+ (lmac->lmac_type != BGX_MODE_10G_KR) && lmac->phydev)
phy_disconnect(lmac->phydev);
lmac->phydev = NULL;
@@ -1199,7 +1199,7 @@ static void bgx_init_hw(struct bgx *bgx)
for (i = 0; i < bgx->lmac_count; i++) {
lmac = &bgx->lmac[i];
bgx_reg_write(bgx, i, BGX_CMRX_CFG,
- (lmac->lmac_type << 8) | lmac->lane_to_sds);
+ (lmac->lmac_type << 8) | lmac->lane_to_sds);
bgx->lmac[i].lmacid_bd = lmac_count;
lmac_count++;
}
@@ -1478,8 +1478,10 @@ static int bgx_init_of_phy(struct bgx *bgx)
* cannot handle it, so exit the loop.
*/
node = to_of_node(fwn);
- if (!node)
+ if (!node) {
+ fwnode_handle_put(fwn);
break;
+ }
of_get_mac_address(node, bgx->lmac[lmac].mac);
@@ -1503,6 +1505,7 @@ static int bgx_init_of_phy(struct bgx *bgx)
lmac++;
if (lmac == bgx->max_lmac) {
of_node_put(node);
+ fwnode_handle_put(fwn);
break;
}
}
--
2.25.1
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