[Spice-devel] [vdagent-linux PATCH] uinput: fix small leak of screen_info

Marc-André Lureau mlureau at redhat.com
Fri Mar 27 07:34:34 PDT 2015


ack

----- Original Message -----
> The follow leak is fixes with this patch:
> ==2648== HEAP SUMMARY:
> ==2648==     in use at exit: 104,699 bytes in 1,459 blocks
> ==2648==   total heap usage: 14,177 allocs, 12,718 frees, 1,190,456 bytes
> allocated
> ==2648==
> ==2648== 16 bytes in 1 blocks are definitely lost in loss record 16 of 130
> ==2648==    at 0x4C29BCF: malloc (in
> /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
> ==2648==    by 0x10B530: agent_read_complete (vdagentd.c:715)
> ==2648==    by 0x10E8DC: udscs_read_complete (udscs.c:460)
> ==2648==    by 0x10EAFC: udscs_do_read (udscs.c:515)
> ==2648==    by 0x10E490: udscs_client_handle_fds (udscs.c:349)
> ==2648==    by 0x10E402: udscs_server_handle_fds (udscs.c:337)
> ==2648==    by 0x10BAB1: main_loop (vdagentd.c:844)
> ==2648==    by 0x10A3E6: main (vdagentd.c:974)
> ==2648==
> ==2648== LEAK SUMMARY:
> ==2648==    definitely lost: 16 bytes in 1 blocks
> ==2648==    indirectly lost: 0 bytes in 0 blocks
> ==2648==      possibly lost: 41,483 bytes in 1,268 blocks
> ==2648==    still reachable: 63,200 bytes in 190 blocks
> ==2648==         suppressed: 0 bytes in 0 blocks
> ==2648== Reachable blocks (those to which a pointer was found) are not shown.
> ==2648== To see them, rerun with: --leak-check=full --show-leak-kinds=all
> ---
>  src/vdagentd-uinput.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/src/vdagentd-uinput.c b/src/vdagentd-uinput.c
> index 47e1b45..1ce9918 100644
> --- a/src/vdagentd-uinput.c
> +++ b/src/vdagentd-uinput.c
> @@ -76,6 +76,10 @@ void vdagentd_uinput_destroy(struct vdagentd_uinput
> **uinputp)
>  
>      if (uinput->fd != -1)
>          close(uinput->fd);
> +
> +    if (uinput->screen_info != NULL)
> +        free(uinput->screen_info);
> +
>      free(uinput);
>      *uinputp = NULL;
>  }
> --
> 2.1.0
> 
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