Messages in this thread Patch in this message | | | From | Zou Wei <> | Subject | [PATCH -next] net: dsa: hellcreek: Use is_zero_ether_addr() instead of memcmp() | Date | Mon, 7 Jun 2021 10:57:09 +0800 |
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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> --- 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 4d78219..9fdcc4b 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 */ -- 2.6.2
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