From 3f07ce8e528746d477cfb301f4dc7b197ad1e2a3 Mon Sep 17 00:00:00 2001 From: Zou Wei Date: Mon, 7 Jun 2021 10:57:09 +0800 Subject: net: dsa: hellcreek: Use is_zero_ether_addr() instead of memcmp() Using is_zero_ether_addr() instead of directly use memcmp() to determine if the ethernet address is all zeros. Reported-by: Hulk Robot Signed-off-by: Zou Wei Reviewed-by: Kurt Kanzenbach Signed-off-by: David S. Miller --- drivers/net/dsa/hirschmann/hellcreek.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/dsa/hirschmann/hellcreek.c b/drivers/net/dsa/hirschmann/hellcreek.c index 4d78219da253..9fdcc4bde480 100644 --- a/drivers/net/dsa/hirschmann/hellcreek.c +++ b/drivers/net/dsa/hirschmann/hellcreek.c @@ -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 */ -- cgit v1.2.3