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-rw-r--r--target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
index d2d0ee87f..4487958bc 100644
--- a/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
+++ b/target/linux/ar71xx/files/arch/mips/ath79/dev-eth.c
@@ -992,7 +992,10 @@ void __init ath79_init_mac(unsigned char *dst, const unsigned char *src,
{
int t;
- if (!is_valid_ether_addr(src)) {
+ if (!dst)
+ return;
+
+ if (!src || !is_valid_ether_addr(src)) {
memset(dst, '\0', ETH_ALEN);
return;
}
@@ -1012,7 +1015,10 @@ void __init ath79_init_local_mac(unsigned char *dst, const unsigned char *src)
{
int i;
- if (!is_valid_ether_addr(src)) {
+ if (!dst)
+ return;
+
+ if (!src || !is_valid_ether_addr(src)) {
memset(dst, '\0', ETH_ALEN);
return;
}