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firewall-util: add missing return value check

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This commit is contained in:
Yu Watanabe
2021-03-23 01:34:30 +09:00
parent dfb433f2a7
commit 84af90ba5d
1 changed files with 4 additions and 2 deletions
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6
src/shared/firewall-util-nft.c
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@@ -1006,9 +1006,11 @@ again:
assert(tsize < NFT_DNAT_MSGS);
if (add)
nft_add_element(ctx->nfnl, &transaction[tsize], af, NFT_SYSTEMD_DNAT_MAP_NAME, key, sizeof(key), data, dlen);
r = nft_add_element(ctx->nfnl, &transaction[tsize], af, NFT_SYSTEMD_DNAT_MAP_NAME, key, sizeof(key), data, dlen);
else
nft_del_element(ctx->nfnl, &transaction[tsize], af, NFT_SYSTEMD_DNAT_MAP_NAME, key, sizeof(key), data, dlen);
r = nft_del_element(ctx->nfnl, &transaction[tsize], af, NFT_SYSTEMD_DNAT_MAP_NAME, key, sizeof(key), data, dlen);
if (r < 0)
goto out_unref;
tsize++;
assert(tsize < NFT_DNAT_MSGS);