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authorAndrew Morton <akpm@linux-foundation.org>2011-05-26 16:25:15 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-05-26 17:12:34 -0700
commit4ed960b14d3b5fd14f1d9eb02f6d7e398317627a (patch)
treebcbe96919f4b19e2fd98366385aa41fba84699c4 /Documentation/accounting
parentfbdd91a6293f5e7fb1914966f5d244f72619641e (diff)
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>
Diffstat (limited to 'Documentation/accounting')
-rw-r--r--Documentation/accounting/getdelays.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/accounting/getdelays.c b/Documentation/accounting/getdelays.c
index 16e16d57b9e..fed225401dd 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 ||