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qemuBuildNumaArgStr: Simplify @nodeBackends

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Instead of array of pointers to individual buffers it can be
array of buffers directly. This also fixes the following memleak:

==22516== 96 bytes in 4 blocks are definitely lost in loss record 166 of 195
==22516==    at 0x4C2EF26: calloc (vg_replace_malloc.c:711)
==22516==    by 0x5D2C7D5: virAlloc (viralloc.c:144)
==22516==    by 0x56FAABD: qemuBuildNumaArgStr (qemu_command.c:7543)
==22516==    by 0x5701835: qemuBuildCommandLine (qemu_command.c:10112)
==22516==    by 0x575D794: qemuProcessCreatePretendCmd (qemu_process.c:6568)
==22516==    by 0x113338: testCompareXMLToArgv (qemuxml2argvtest.c:549)
==22516==    by 0x138CA3: virTestRun (testutils.c:180)
==22516==    by 0x136CD1: mymain (qemuxml2argvtest.c:2825)
==22516==    by 0x13AD58: virTestMain (testutils.c:1118)
==22516==    by 0x137351: main (qemuxml2argvtest.c:2874)

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2018-06-06 13:00:17 +02:00
parent d0498881a0
commit 7d34949b07
1 changed files with 4 additions and 7 deletions
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11
src/qemu/qemu_command.c
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@ -7478,7 +7478,7 @@ qemuBuildNumaArgStr(virQEMUDriverConfigPtr cfg,
virQEMUCapsPtr qemuCaps = priv->qemuCaps;
virBuffer buf = VIR_BUFFER_INITIALIZER;
char *cpumask = NULL, *tmpmask = NULL, *next = NULL;
virBufferPtr *nodeBackends = NULL;
virBufferPtr nodeBackends = NULL;
bool needBackend = false;
int rc;
int ret = -1;
@ -7540,11 +7540,8 @@ qemuBuildNumaArgStr(virQEMUDriverConfigPtr cfg,
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_RAM) ||
virQEMUCapsGet(qemuCaps, QEMU_CAPS_OBJECT_MEMORY_FILE)) {
if (VIR_ALLOC(nodeBackends[i]) < 0)
goto cleanup;
if ((rc = qemuBuildMemoryCellBackendStr(def, cfg, i, priv,
nodeBackends[i])) < 0)
&nodeBackends[i])) < 0)
goto cleanup;
if (rc == 0)
@ -7578,7 +7575,7 @@ qemuBuildNumaArgStr(virQEMUDriverConfigPtr cfg,
if (needBackend) {
virCommandAddArg(cmd, "-object");
virCommandAddArgBuffer(cmd, nodeBackends[i]);
virCommandAddArgBuffer(cmd, &nodeBackends[i]);
}
virCommandAddArg(cmd, "-numa");
@ -7642,7 +7639,7 @@ qemuBuildNumaArgStr(virQEMUDriverConfigPtr cfg,
if (nodeBackends) {
for (i = 0; i < ncells; i++)
virBufferFreeAndReset(nodeBackends[i]);
virBufferFreeAndReset(&nodeBackends[i]);
VIR_FREE(nodeBackends);
}