Re: [Qemu-trivial] [Qemu-devel] [PATCH] qga/commands-posix: Fix resource leak

[Stefan Weil <sw@weilnetz.de>]

Am 14.03.2015 um 04:30 schrieb Shannon Zhao:
> It's detected by coverity. Close the dirfd.
>
> Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
> Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
> ---
>   qga/commands-posix.c | 2 ++
>   1 file changed, 2 insertions(+)
>
> diff --git a/qga/commands-posix.c b/qga/commands-posix.c
> index d5bb5cb..cbf1c80 100644
> --- a/qga/commands-posix.c
> +++ b/qga/commands-posix.c
> @@ -2285,6 +2285,7 @@ GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
>       ga_read_sysfs_file(dirfd, "block_size_bytes", buf, 20, &local_err);

Why not closing it here? It's no longer needed.

>       if (local_err) {
>           g_free(buf);
> +        close(dirfd);
>           error_propagate(errp, local_err);
>           return NULL;
>       }
> @@ -2293,6 +2294,7 @@ GuestMemoryBlockInfo *qmp_guest_get_memory_block_info(Error **errp)
>       info->size = strtol(buf, NULL, 16); /* the unit is bytes */
>   
>       g_free(buf);
> +    close(dirfd);
>   
>       return info;
>   }