diff options
Diffstat (limited to 'watchfrr/watchfrr.c')
| -rw-r--r-- | watchfrr/watchfrr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/watchfrr/watchfrr.c b/watchfrr/watchfrr.c index 319bd6a771..441320b193 100644 --- a/watchfrr/watchfrr.c +++ b/watchfrr/watchfrr.c @@ -1080,6 +1080,9 @@ static int valid_command(const char *cmd) { char *p; + if (cmd == NULL) + return 0; + return ((p = strchr(cmd, '%')) != NULL) && (*(p + 1) == 's') && !strchr(p + 1, '%'); } @@ -1414,7 +1417,7 @@ int main(int argc, char **argv) } break; case OPTION_NETNS: netns_en = true; - if (strchr(optarg, '/')) { + if (optarg && strchr(optarg, '/')) { fprintf(stderr, "invalid network namespace name \"%s\" (may not contain slashes)\n", optarg); |