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watchfrr: fix crash on missing optional argument

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Fix `netns` command line handling for missing argument (it's optional).

Signed-off-by: Rafael Zalamena <rzalamena@opensourcerouting.org>
This commit is contained in:
Rafael Zalamena 2021-01-25 08:33:01 -03:00
parent e1b49f5da7
commit b12bc77cd3
1 changed files with 1 additions and 1 deletions
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watchfrr/watchfrr.c
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@ -1414,7 +1414,7 @@ int main(int argc, char **argv)
} break; } break;
case OPTION_NETNS: case OPTION_NETNS:
netns_en = true; netns_en = true;
if (strchr(optarg, '/')) { if (optarg && strchr(optarg, '/')) {
fprintf(stderr, fprintf(stderr,
"invalid network namespace name \"%s\" (may not contain slashes)\n", "invalid network namespace name \"%s\" (may not contain slashes)\n",
optarg); optarg);