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util: fix memory leak in failure path of virCgroupKillRecursiveInternal

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Don't leak keypath when we fail to kill a process

Signed-off-by: Chen Hanxiao <chenhanxiao@cn.fujitsu.com>
This commit is contained in:
Chen Hanxiao 2014-05-13 16:01:16 +08:00 committed by Laine Stump
parent b279e52f7b
commit d18aa70416
1 changed files with 6 additions and 4 deletions
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8
src/util/vircgroup.c
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@ -3370,7 +3370,7 @@ virCgroupKillRecursiveInternal(virCgroupPtr group,
int rc; int rc;
bool killedAny = false; bool killedAny = false;
char *keypath = NULL; char *keypath = NULL;
DIR *dp; DIR *dp = NULL;
virCgroupPtr subgroup = NULL; virCgroupPtr subgroup = NULL;
struct dirent *ent; struct dirent *ent;
int direrr; int direrr;
@ -3381,7 +3381,7 @@ virCgroupKillRecursiveInternal(virCgroupPtr group,
return -1; return -1;
if ((rc = virCgroupKillInternal(group, signum, pids)) < 0) if ((rc = virCgroupKillInternal(group, signum, pids)) < 0)
return -1; goto cleanup;
if (rc == 1) if (rc == 1)
killedAny = true; killedAny = true;
@ -3394,7 +3394,7 @@ virCgroupKillRecursiveInternal(virCgroupPtr group,
} }
virReportSystemError(errno, virReportSystemError(errno,
_("Cannot open %s"), keypath); _("Cannot open %s"), keypath);
return -1; goto cleanup;
} }
while ((direrr = virDirRead(dp, &ent, keypath)) > 0) { while ((direrr = virDirRead(dp, &ent, keypath)) > 0) {
@ -3429,6 +3429,8 @@ virCgroupKillRecursiveInternal(virCgroupPtr group,
cleanup: cleanup:
virCgroupFree(&subgroup); virCgroupFree(&subgroup);
VIR_FREE(keypath);
if (dp)
closedir(dp); closedir(dp);
return ret; return ret;