diff options
| -rw-r--r-- | ip/ipmaddr.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/ip/ipmaddr.c b/ip/ipmaddr.c index f8d6b992..a8ef20ec 100644 --- a/ip/ipmaddr.c +++ b/ip/ipmaddr.c @@ -102,6 +102,8 @@ static void read_dev_mcast(struct ma_info **result_p) if (len >= 0) { struct ma_info *ma = malloc(sizeof(m)); + if (ma == NULL) + break; memcpy(ma, &m, sizeof(m)); ma->addr.bytelen = len; ma->addr.bitlen = len<<3; @@ -149,6 +151,9 @@ static void read_igmp(struct ma_info **result_p) sscanf(buf, "%08x%d", (__u32 *)&m.addr.data, &m.users); ma = malloc(sizeof(m)); + if (ma == NULL) + break; + memcpy(ma, &m, sizeof(m)); maddr_ins(result_p, ma); } @@ -178,8 +183,10 @@ static void read_igmp6(struct ma_info **result_p) if (len >= 0) { struct ma_info *ma = malloc(sizeof(m)); - memcpy(ma, &m, sizeof(m)); + if (ma == NULL) + break; + memcpy(ma, &m, sizeof(m)); ma->addr.bytelen = len; ma->addr.bitlen = len<<3; maddr_ins(result_p, ma); |