Re: [PATCH bpf-next] xsk: fix refcount warning in xp_dma_map
From: Song Liu <song@kernel.org>
Date: 2020-09-14 21:13:36
Also in:
bpf
On Mon, Sep 14, 2020 at 7:52 AM Magnus Karlsson [off-list ref] wrote:
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>