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authorPablo Neira Ayuso <pablo@netfilter.org>2019-05-29 20:40:39 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2019-05-31 17:57:36 +0200
commitdbd6621f3fa25dfa8c7c77c52a19cb0c1bd81642 (patch)
tree7c731b6b90245b9cd0548d8fcafeeb282353d36b /src/libnftables.c
parent89c82c261bb53bfb0b671437a1323830dd7e4019 (diff)
mnl: mnl_batch_talk() returns -1 on internal netlink errors
Display an error in case internal netlink plumbing hits problems. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'src/libnftables.c')
-rw-r--r--src/libnftables.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/libnftables.c b/src/libnftables.c
index a58b8ca9..d8de89ca 100644
--- a/src/libnftables.c
+++ b/src/libnftables.c
@@ -58,6 +58,14 @@ static int nft_netlink(struct nft_ctx *nft,
goto out;
ret = mnl_batch_talk(&ctx, &err_list, num_cmds);
+ if (ret < 0) {
+ netlink_io_error(&ctx, NULL,
+ "Could not process rule: %s", strerror(errno));
+ goto out;
+ }
+
+ if (!list_empty(&err_list))
+ ret = -1;
list_for_each_entry_safe(err, tmp, &err_list, head) {
list_for_each_entry(cmd, cmds, list) {