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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" <justinmattock@gmail.com>
Cc: Balbir Singh <balbir@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Andrew Morton 2011-05-26 16:25:15 -07:00 committed by Linus Torvalds
parent fbdd91a629
commit 4ed960b14d
1 changed files with 2 additions and 0 deletions
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Documentation/accounting/getdelays.c
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@ -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 ||