Re: [PATCH bpf-next] xsk: fix refcount warning in xp_dma_map

On Mon, Sep 14, 2020 at 2:13 PM Song Liu [off-list ref] wrote:

On Mon, Sep 14, 2020 at 7:52 AM Magnus Karlsson
[off-list ref] wrote:

quoted

From: Magnus Karlsson <magnus.karlsson@intel.com>

Fix a potential refcount warning that a zero value is increased to one
in xp_dma_map, by initializing the refcount to one to start with,
instead of zero plus a refcount_inc().

Fixes: 921b68692abb ("xsk: Enable sharing of dma mappings")
Signed-off-by: Magnus Karlsson <magnus.karlsson@intel.com>

Acked-by: Song Liu <redacted>

Applied. Thanks