From 4ed960b14d3b5fd14f1d9eb02f6d7e398317627a Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Thu, 26 May 2011 16:25:15 -0700 Subject: Documentation/accounting/getdelays.c: handle sendto() failures Fixes Documentation/accounting/getdelays.c: In function `get_family_id': Documentation/accounting/getdelays.c:172:14: warning: variable `rc' set but not used [-Wunused-but-set-variable] Reported-by: "Justin P. Mattock" Cc: Balbir Singh Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- Documentation/accounting/getdelays.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'Documentation/accounting') 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 || -- cgit v1.2.3