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authorrwatson <rwatson@FreeBSD.org>2007-05-27 18:54:58 +0000
committerrwatson <rwatson@FreeBSD.org>2007-05-27 18:54:58 +0000
commit6dd98d5d4e8bba8a8c9f14267ff8e26db51c00ae (patch)
treea2fda5a0831b90714d5b5645b62c984a306407d2 /sys/dev/random/yarrow.c
parent3b371f76aa73339f52b0b40a60e443acba4d4913 (diff)
downloadFreeBSD-src-6dd98d5d4e8bba8a8c9f14267ff8e26db51c00ae.zip
FreeBSD-src-6dd98d5d4e8bba8a8c9f14267ff8e26db51c00ae.tar.gz
Rather than repeatedly setting and discarding local variable 'o' based
on the return values of various run-time sysctl additions, just ignore the return value. Found with: Coverity Prevent(tm) CID: 562
Diffstat (limited to 'sys/dev/random/yarrow.c')
-rw-r--r--sys/dev/random/yarrow.c16
1 files changed, 7 insertions, 9 deletions
diff --git a/sys/dev/random/yarrow.c b/sys/dev/random/yarrow.c
index ab10b21..010de0c 100644
--- a/sys/dev/random/yarrow.c
+++ b/sys/dev/random/yarrow.c
@@ -104,47 +104,45 @@ void
random_yarrow_init_alg(struct sysctl_ctx_list *clist, struct sysctl_oid *in_o)
{
int i;
- struct sysctl_oid *o, *random_yarrow_o;
+ struct sysctl_oid *random_yarrow_o;
/* Yarrow parameters. Do not adjust these unless you have
* have a very good clue about what they do!
*/
- o = SYSCTL_ADD_NODE(clist,
+ random_yarrow_o = SYSCTL_ADD_NODE(clist,
SYSCTL_CHILDREN(in_o),
OID_AUTO, "yarrow", CTLFLAG_RW, 0,
"Yarrow Parameters");
- random_yarrow_o = o;
-
- o = SYSCTL_ADD_PROC(clist,
+ SYSCTL_ADD_PROC(clist,
SYSCTL_CHILDREN(random_yarrow_o), OID_AUTO,
"gengateinterval", CTLTYPE_INT|CTLFLAG_RW,
&random_state.gengateinterval, 10,
random_check_uint_gengateinterval, "I",
"Generation gate interval");
- o = SYSCTL_ADD_PROC(clist,
+ SYSCTL_ADD_PROC(clist,
SYSCTL_CHILDREN(random_yarrow_o), OID_AUTO,
"bins", CTLTYPE_INT|CTLFLAG_RW,
&random_state.bins, 10,
random_check_uint_bins, "I",
"Execution time tuner");
- o = SYSCTL_ADD_PROC(clist,
+ SYSCTL_ADD_PROC(clist,
SYSCTL_CHILDREN(random_yarrow_o), OID_AUTO,
"fastthresh", CTLTYPE_INT|CTLFLAG_RW,
&random_state.pool[0].thresh, (3*BLOCKSIZE)/4,
random_check_uint_fastthresh, "I",
"Fast reseed threshold");
- o = SYSCTL_ADD_PROC(clist,
+ SYSCTL_ADD_PROC(clist,
SYSCTL_CHILDREN(random_yarrow_o), OID_AUTO,
"slowthresh", CTLTYPE_INT|CTLFLAG_RW,
&random_state.pool[1].thresh, BLOCKSIZE,
random_check_uint_slowthresh, "I",
"Slow reseed threshold");
- o = SYSCTL_ADD_PROC(clist,
+ SYSCTL_ADD_PROC(clist,
SYSCTL_CHILDREN(random_yarrow_o), OID_AUTO,
"slowoverthresh", CTLTYPE_INT|CTLFLAG_RW,
&random_state.slowoverthresh, 2,
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