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| author | Tomas Hozza <thozza@redhat.com> | 2013-06-27 13:52:48 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-26 16:40:41 -0700 |
| commit | d12e14692448e9f256028f53926a9bd3c3091e11 (patch) | |
| tree | c873f1b8c031c0f23f6ea93321c87bc4a4cbd77b /tools/hv | |
| parent | 9561d479314f16b41563f73511fb61d91de4642f (diff) | |
| download | linux-0-day-d12e14692448e9f256028f53926a9bd3c3091e11.tar.gz linux-0-day-d12e14692448e9f256028f53926a9bd3c3091e11.tar.xz | |
tools: hv: Check return value of setsockopt call
Check return value of setsockopt call and if it fails print error to the
system log and exit with non-zero value.
Signed-off-by: Tomas Hozza <thozza@redhat.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/hv')
| -rw-r--r-- | tools/hv/hv_vss_daemon.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/hv/hv_vss_daemon.c b/tools/hv/hv_vss_daemon.c index 5febe3542f796..826d499dc3542 100644 --- a/tools/hv/hv_vss_daemon.c +++ b/tools/hv/hv_vss_daemon.c @@ -173,7 +173,11 @@ int main(void) exit(EXIT_FAILURE); } nl_group = CN_VSS_IDX; - setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &nl_group, sizeof(nl_group)); + if (setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &nl_group, sizeof(nl_group)) < 0) { + syslog(LOG_ERR, "setsockopt failed; error:%d %s", errno, strerror(errno)); + close(fd); + exit(EXIT_FAILURE); + } /* * Register ourselves with the kernel. */ |