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[net-next,3/6] ethernet: tehuti: use eth_hw_addr_set()

Message ID 20211019150011.1355755-4-kuba@kernel.org (mailing list archive)
State Accepted
Commit 3d9c64ca52d5a94a49df900e53ff1e60895720dd
Delegated to: Netdev Maintainers
Headers show
Series ethernet: manual netdev->dev_addr conversions (part 3) | expand

Checks

Context Check Description
netdev/cover_letter success Series has a cover letter
netdev/fixes_present success Fixes tag not required for -next series
netdev/patch_count success Link
netdev/tree_selection success Clearly marked for net-next
netdev/subject_prefix success Link
netdev/cc_maintainers success CCed 4 of 4 maintainers
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success No Fixes tag
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 19 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success No static functions without inline keyword in header files

Commit Message

Jakub Kicinski Oct. 19, 2021, 3 p.m. UTC
Commit 406f42fa0d3c ("net-next: When a bond have a massive amount
of VLANs...") introduced a rbtree for faster Ethernet address look
up. To maintain netdev->dev_addr in this tree we need to make all
the writes to it got through appropriate helpers.

Break the address up into an array on the stack, then call
eth_hw_addr_set().

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
---
CC: andy@greyhouse.net
---
 drivers/net/ethernet/tehuti/tehuti.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/net/ethernet/tehuti/tehuti.c b/drivers/net/ethernet/tehuti/tehuti.c
index 3e8a3fde8302..0775a5542f2f 100644
--- a/drivers/net/ethernet/tehuti/tehuti.c
+++ b/drivers/net/ethernet/tehuti/tehuti.c
@@ -840,6 +840,7 @@  static int bdx_set_mac(struct net_device *ndev, void *p)
 static int bdx_read_mac(struct bdx_priv *priv)
 {
 	u16 macAddress[3], i;
+	u8 addr[ETH_ALEN];
 	ENTER;
 
 	macAddress[2] = READ_REG(priv, regUNC_MAC0_A);
@@ -849,9 +850,10 @@  static int bdx_read_mac(struct bdx_priv *priv)
 	macAddress[0] = READ_REG(priv, regUNC_MAC2_A);
 	macAddress[0] = READ_REG(priv, regUNC_MAC2_A);
 	for (i = 0; i < 3; i++) {
-		priv->ndev->dev_addr[i * 2 + 1] = macAddress[i];
-		priv->ndev->dev_addr[i * 2] = macAddress[i] >> 8;
+		addr[i * 2 + 1] = macAddress[i];
+		addr[i * 2] = macAddress[i] >> 8;
 	}
+	eth_hw_addr_set(priv->ndev, addr);
 	RET(0);
 }