Re: [Qemu-devel] [PATCH] rdma: fix memory leak

[Paolo Bonzini <pbonzini@redhat.com>]

On 23/06/2015 03:02, arei.gonglei@huawei.com wrote:
> From: Gonglei <arei.gonglei@huawei.com>
> 
> Variable "r" going out of scope leaks the storage
> it points to in line 3268.
> 
> Signed-off-by: Gonglei <arei.gonglei@huawei.com>
> ---
>  migration/rdma.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/migration/rdma.c b/migration/rdma.c
> index cf5de7e..de80860 100644
> --- a/migration/rdma.c
> +++ b/migration/rdma.c
> @@ -3262,12 +3262,13 @@ static const QEMUFileOps rdma_write_ops = {
>  
>  static void *qemu_fopen_rdma(RDMAContext *rdma, const char *mode)
>  {
> -    QEMUFileRDMA *r = g_malloc0(sizeof(QEMUFileRDMA));
> +    QEMUFileRDMA *r = NULL;

No need for the NULL initialization.

Paolo
>  
>      if (qemu_file_mode_is_not_valid(mode)) {
>          return NULL;
>      }
>  
> +    r = g_malloc0(sizeof(QEMUFileRDMA));
>      r->rdma = rdma;
>  
>      if (mode[0] == 'w') {
>