Re: [PATCH] IB/mad: fix possible memory leak in ib_mad_post_receive_mads()

From: Jason Gunthorpe
Date: Fri Jun 19 2020 - 08:25:12 EST


On Fri, Jun 12, 2020 at 02:38:24PM +0800, Guo Fan wrote:
> From: Fan Guo <guofan5@xxxxxxxxxx>
>
> If ib_dma_mapping_error() returns non-zero value, ib_mad_post_receive_mads
> will jump out of loops and return -ENOMEM without freeing mad_priv. We fix
> this memory-leak problem by freeing mad_priv in this case.
>
> Fixes: 2c34e68f4261 ("IB/mad: Check and handle potential DMA mapping errors")
> Signed-off-by: Fan Guo <guofan5@xxxxxxxxxx>
> ---
> drivers/infiniband/core/mad.c | 1 +
> 1 file changed, 1 insertion(+)

Applied to for-rc, thanks

Jason