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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-11-30 15:01:06 +0900 |
|---|---|---|
| committer | Yu Watanabe <watanabe.yu+github@gmail.com> | 2019-11-30 16:13:51 +0900 |
| commit | e4a1e68d7ab318caa50312c022bd22a8fb81c6b7 (patch) | |
| tree | e44274ed08ad90bac9faa5aadec9f7b8884397ba /src/libsystemd/sd-netlink/sd-netlink.c | |
| parent | 0e7e8544712f8b0300bd28f706ab2105ea9d3c1b (diff) | |
| download | systemd-e4a1e68d7ab318caa50312c022bd22a8fb81c6b7.tar.gz | |
sd-netlink: support NLMSGERR_ATTR_MSG
From v4.12 the kernel appends some attributes to netlink acks
containing a textual description of the error and other fields.
This makes sd-netlink parse the attributes.
Diffstat (limited to 'src/libsystemd/sd-netlink/sd-netlink.c')
| -rw-r--r-- | src/libsystemd/sd-netlink/sd-netlink.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/libsystemd/sd-netlink/sd-netlink.c b/src/libsystemd/sd-netlink/sd-netlink.c index 87350e8591..5b7081089e 100644 --- a/src/libsystemd/sd-netlink/sd-netlink.c +++ b/src/libsystemd/sd-netlink/sd-netlink.c @@ -107,6 +107,10 @@ int sd_netlink_open_fd(sd_netlink **ret, int fd) { rtnl->fd = fd; rtnl->protocol = protocol; + r = setsockopt_int(fd, SOL_NETLINK, NETLINK_EXT_ACK, 1); + if (r < 0) + log_debug_errno(r, "sd-netlink: Failed to enable NETLINK_EXT_ACK option, ignoring: %m"); + r = socket_bind(rtnl); if (r < 0) { rtnl->fd = -1; /* on failure, the caller remains owner of the fd, hence don't close it here */ |