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net: dsa: hellcreek: Use is_zero_ether_addr() instead of memcmp()

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Using is_zero_ether_addr() instead of directly use
memcmp() to determine if the ethernet address is all
zeros.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Reviewed-by: Kurt Kanzenbach <kurt@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zou Wei 2021-06-07 10:57:09 +08:00 committed by David S. Miller
parent cda9de0b8d
commit 3f07ce8e52
1 changed files with 1 additions and 2 deletions
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3
drivers/net/dsa/hirschmann/hellcreek.c
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@ -927,7 +927,6 @@ static int hellcreek_fdb_dump(struct dsa_switch *ds, int port,
/* Read table */
for (i = 0; i < hellcreek->fdb_entries; ++i) {
unsigned char null_addr[ETH_ALEN] = { 0 };
struct hellcreek_fdb_entry entry = { 0 };
/* Read entry */
@ -937,7 +936,7 @@ static int hellcreek_fdb_dump(struct dsa_switch *ds, int port,
hellcreek_write(hellcreek, 0x00, HR_FDBRDH);
/* Check valid */
if (!memcmp(entry.mac, null_addr, ETH_ALEN))
if (is_zero_ether_addr(entry.mac))
continue;
/* Check port mask */