> -----Original Message----- > From: Tomas Hozza [mailto:thozza@xxxxxxxxxx] > Sent: Wednesday, May 22, 2013 8:55 AM > To: gregkh@xxxxxxxxxxxxxxxxxxx > Cc: KY Srinivasan; jasowang@xxxxxxxxxx; Haiyang Zhang; > devel@xxxxxxxxxxxxxxxxxxxxxx; Tomas Hozza > Subject: [PATCH v3 1/4] 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@xxxxxxxxxx> Acked-by: K. Y. Srinivasan <kys@xxxxxxxxxxxxx> > --- > tools/hv/hv_kvp_daemon.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/tools/hv/hv_kvp_daemon.c b/tools/hv/hv_kvp_daemon.c > index 5a1f648..ae9aa1c 100644 > --- a/tools/hv/hv_kvp_daemon.c > +++ b/tools/hv/hv_kvp_daemon.c > @@ -1457,7 +1457,13 @@ int main(void) > exit(EXIT_FAILURE); > } > nl_group = CN_KVP_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. > */ > -- > 1.8.1.4 > > _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
