Re: [PATCH 2/4] tests: Call virCommandFree() in cleanup section

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On Fri, Jul 26, 2019 at 09:42:44AM -0400, Stefan Berger wrote:
Fix a potential memory leak by calling virCommandFree() in the cleanup
section.

Signed-off-by: Stefan Berger <stefanb@xxxxxxxxxxxxx>
---
tests/commandtest.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/tests/commandtest.c b/tests/commandtest.c
index 991c0572b0..dfd15a2079 100644
--- a/tests/commandtest.c
+++ b/tests/commandtest.c
@@ -1219,8 +1219,6 @@ static int test27(const void *unused ATTRIBUTE_UNUSED)
        goto cleanup;
    }

-    virCommandFree(cmd);
-
    if (!outactual || !erractual)
        goto cleanup;

@@ -1236,6 +1234,7 @@ static int test27(const void *unused ATTRIBUTE_UNUSED)
    ret = 0;

 cleanup:
+    virCommandFree(cmd);
    VIR_FORCE_CLOSE(pipe1[0]);
    VIR_FORCE_CLOSE(pipe2[0]);
    VIR_FORCE_CLOSE(pipe1[1]);

We have the VIR_AUTO* macros you can use to get the compiler to free it
automatically when it goes out of scope. Just declare the variable as:

VIR_AUTOPTR(virCommand) cmd = NULL;

Jano

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