Re: [PATCH v3 1/3] tests/migration: mem leak fix

[Laurent Vivier]

Le 04/10/2019 à 05:43, Mao Zhongyi a écrit :
> ‘data’ has the possibility of memory leaks， so use the
> glib macros g_autofree recommended by CODING_STYLE.rst
> to automatically release the memory that returned from
> g_malloc().
> 
> Signed-off-by: Mao Zhongyi <address@hidden>
> Reviewed-by: Alex Bennée <address@hidden>
> ---
>  tests/migration/stress.c | 10 ++--------
>  1 file changed, 2 insertions(+), 8 deletions(-)
> 
> diff --git a/tests/migration/stress.c b/tests/migration/stress.c
> index d9aa4afe92..9e128eef50 100644
> --- a/tests/migration/stress.c
> +++ b/tests/migration/stress.c
> @@ -170,10 +170,10 @@ static unsigned long long now(void)
>  static int stressone(unsigned long long ramsizeMB)
>  {
>      size_t pagesPerMB = 1024 * 1024 / PAGE_SIZE;
> -    char *ram = malloc(ramsizeMB * 1024 * 1024);
> +    g_autofree char *ram = g_malloc(ramsizeMB * 1024 * 1024);
>      char *ramptr;
>      size_t i, j, k;
> -    char *data = malloc(PAGE_SIZE);
> +    g_autofree char *data = g_malloc(PAGE_SIZE);
>      char *dataptr;
>      size_t nMB = 0;
>      unsigned long long before, after;
> @@ -186,7 +186,6 @@ static int stressone(unsigned long long ramsizeMB)
>      if (!data) {

As g_malloc() aborts on error, data is never NULL.
There is the same thing for ram.

Thanks,
Laurent