Otherwise we keep using the old netlink socket if we hit EINTR. Signed-off-by: Pablo Neira Ayuso <pablo@xxxxxxxxxxxxx> --- Requires patches 1/3 and 2/3. include/netlink.h | 2 +- src/netlink.c | 4 ++-- src/rule.c | 3 +-- 3 files changed, 4 insertions(+), 5 deletions(-) diff --git a/include/netlink.h b/include/netlink.h index b26ef4598500..66e400d88f19 100644 --- a/include/netlink.h +++ b/include/netlink.h @@ -157,7 +157,7 @@ extern void netlink_dump_obj(struct nftnl_obj *nlo, struct netlink_ctx *ctx); extern int netlink_batch_send(struct netlink_ctx *ctx, struct list_head *err_list); -extern void netlink_restart(struct mnl_socket *nf_sock); +extern struct mnl_socket *netlink_restart(struct mnl_socket *nf_sock); #define netlink_abi_error() \ __netlink_abi_error(__FILE__, __LINE__, strerror(errno)); extern void __noreturn __netlink_abi_error(const char *file, int line, const char *reason); diff --git a/src/netlink.c b/src/netlink.c index 755949c965c3..403780ffdefb 100644 --- a/src/netlink.c +++ b/src/netlink.c @@ -73,10 +73,10 @@ void netlink_close_sock(struct mnl_socket *nf_sock) mnl_socket_close(nf_sock); } -void netlink_restart(struct mnl_socket *nf_sock) +struct mnl_socket *netlink_restart(struct mnl_socket *nf_sock) { netlink_close_sock(nf_sock); - nf_sock = netlink_open_sock(); + return netlink_open_sock(); } void __noreturn __netlink_abi_error(const char *file, int line, diff --git a/src/rule.c b/src/rule.c index 9e24c35c85ae..12ac1310034d 100644 --- a/src/rule.c +++ b/src/rule.c @@ -229,7 +229,6 @@ int cache_update(struct nft_ctx *nft, enum cmd_ops cmd, struct list_head *msgs) .msgs = msgs, .nft = nft, }; - struct mnl_socket *nf_sock = nft->nf_sock; struct nft_cache *cache = &nft->cache; replay: @@ -244,7 +243,7 @@ replay: if (ret < 0) { cache_release(cache); if (errno == EINTR) { - netlink_restart(nf_sock); + nft->nf_sock = netlink_restart(nft->nf_sock); goto replay; } return -1; -- 2.11.0