[libvirt] [PATCH] qemuMonitorTextAddDevice: avoid unconditional leak

[Jim Meyering]

Here's the patch (entire function below):

>From 1ee0edab5356ca8cd84a88e4e4a2e4f3cd916f57 Mon Sep 17 00:00:00 2001
From: Jim Meyering <meyering at redhat.com>
Date: Tue, 16 Feb 2010 08:22:34 +0100
Subject: [PATCH] qemuMonitorTextAddDevice: avoid unconditional leak

* src/qemu/qemu_monitor_text.c (qemuMonitorTextAddDevice): Free the
device name buffer.
---
 src/qemu/qemu_monitor_text.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/src/qemu/qemu_monitor_text.c b/src/qemu/qemu_monitor_text.c
index e993699..c71bf1d 100644
--- a/src/qemu/qemu_monitor_text.c
+++ b/src/qemu/qemu_monitor_text.c
@@ -2087,6 +2087,7 @@ int qemuMonitorTextAddDevice(qemuMonitorPtr mon,
 cleanup:
     VIR_FREE(cmd);
     VIR_FREE(reply);
+    VIR_FREE(safedev);
     return ret;
 }

--
1.7.0.181.g41533

For reference, here's the entire function:

int qemuMonitorTextAddDevice(qemuMonitorPtr mon,
                             const char *devicestr)
{
    char *cmd = NULL;
    char *reply = NULL;
    char *safedev;
    int ret = -1;

    if (!(safedev = qemuMonitorEscapeArg(devicestr))) {
        virReportOOMError();
        goto cleanup;
    }

    if (virAsprintf(&cmd, "device_add %s", safedev) < 0) {
        virReportOOMError();
        goto cleanup;
    }

    if (qemuMonitorCommand(mon, cmd, &reply) < 0) {
        qemuReportError(VIR_ERR_OPERATION_FAILED,
                        _("cannot attach %s device"), devicestr);
        goto cleanup;
    }

    if (STRNEQ(reply, "")) {
        qemuReportError(VIR_ERR_OPERATION_FAILED,
                        _("adding %s device failed: %s"), devicestr, reply);
        goto cleanup;
    }

    ret = 0;

cleanup:
    VIR_FREE(cmd);
    VIR_FREE(reply);
    VIR_FREE(safedev);
    return ret;
}