diff options
Diffstat (limited to 'tools/net/bpf_dbg.c')
| -rw-r--r-- | tools/net/bpf_dbg.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/net/bpf_dbg.c b/tools/net/bpf_dbg.c index 4f254bcc4423..61b9aa5d6415 100644 --- a/tools/net/bpf_dbg.c +++ b/tools/net/bpf_dbg.c @@ -1063,7 +1063,7 @@ static int cmd_load_pcap(char *file) static int cmd_load(char *arg) { - char *subcmd, *cont, *tmp = strdup(arg); + char *subcmd, *cont = NULL, *tmp = strdup(arg); int ret = CMD_OK; subcmd = strtok_r(tmp, " ", &cont); @@ -1073,7 +1073,10 @@ static int cmd_load(char *arg) bpf_reset(); bpf_reset_breakpoints(); - ret = cmd_load_bpf(cont); + if (!cont) + ret = CMD_ERR; + else + ret = cmd_load_bpf(cont); } else if (matches(subcmd, "pcap") == 0) { ret = cmd_load_pcap(cont); } else { |