Re: [PATCH 1/8] db: Fix leak of 'variants' GList

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On Thu, Nov 05, 2015 at 05:20:39PM +0100, Christophe Fergeau wrote:
> The GList returned by osinfo_entity_get_param_value_list() must be freed
> when no longer needed.
> 
> This fixes:
> ==12890== 2,112 bytes in 88 blocks are definitely lost in loss record 2,139 of 2,169
> ==12890==    at 0x4C28C50: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
> ==12890==    by 0x6A514D8: g_malloc (in /usr/lib64/libglib-2.0.so.0.4600.1)
> ==12890==    by 0x6A68622: g_slice_alloc (in /usr/lib64/libglib-2.0.so.0.4600.1)
> ==12890==    by 0x6A47EA9: g_list_copy_deep (in /usr/lib64/libglib-2.0.so.0.4600.1)
> ==12890==    by 0x55400A8: osinfo_entity_get_param_value_list (osinfo_entity.c:424)
> ==12890==    by 0x555A58F: fill_media (osinfo_db.c:654)
> ==12890==    by 0x555A8C4: osinfo_db_identify_media (osinfo_db.c:709)
> ==12890==    by 0x4030C5: test_one (test-isodetect.c:338)
> ==12890==    by 0x4033B8: test_windows (test-isodetect.c:387)
> ==12890==    by 0x532B78A: tcase_run_tfun_nofork.isra.9 (check_run.c:390)
> ==12890==    by 0x532BB7C: srunner_iterate_tcase_tfuns (check_run.c:231)
> ==12890==    by 0x532BB7C: srunner_run_tcase (check_run.c:373)
> ==12890==    by 0x532BB7C: srunner_iterate_suites (check_run.c:195)
> ==12890==    by 0x532BB7C: srunner_run (check_run.c:782)
> ==12890==    by 0x4037B9: main (test-isodetect.c:496)
> =
> ---
>  osinfo/osinfo_db.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/osinfo/osinfo_db.c b/osinfo/osinfo_db.c
> index 9542d6e..4eeb440 100644
> --- a/osinfo/osinfo_db.c
> +++ b/osinfo/osinfo_db.c
> @@ -656,6 +656,7 @@ static void fill_media(OsinfoDb *db, OsinfoMedia *media,
>          osinfo_entity_add_param(OSINFO_ENTITY(media),
>                                  "variant",
>                                  (gchar *) node->data);
> +    g_list_free (variants);
>      kernel_path = osinfo_media_get_kernel_path(matched_media);
>      if (kernel_path != NULL)
>          g_object_set(G_OBJECT(media), "kernel_path", kernel_path, NULL);

ACK


Regards,
Daniel
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