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Diffstat (limited to 'Documentation/accounting/getdelays.c')
| -rw-r--r-- | Documentation/accounting/getdelays.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c index 16e16d57b9eb..fed225401dd2 100644 --- a/Documentation/accounting/getdelays.c +++ b/Documentation/accounting/getdelays.c @@ -177,6 +177,8 @@ static int get_family_id(int sd) rc = send_cmd(sd, GENL_ID_CTRL, getpid(), CTRL_CMD_GETFAMILY, CTRL_ATTR_FAMILY_NAME, (void *)name, strlen(TASKSTATS_GENL_NAME)+1); + if (rc < 0) + return 0; /* sendto() failure? */ rep_len = recv(sd, &ans, sizeof(ans), 0); if (ans.n.nlmsg_type == NLMSG_ERROR || |