gro: avoid checking for a failed search

gro: avoid checking for a failed search

[ Upstream commit 402ffd2a39d68baeb5f0d86dadc60a6aca149f51 ]

After searching for a protocol handler in dev_gro_receive, checking for
failure is redundant. Skip the failure code after finding the
corresponding handler.

Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Richard Gobert <richardbgobert@gmail.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20221108123320.GA59373@debian
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Stable-dep-of: d24ef8adf4bf ("gro: take care of DODGY packets")
Signed-off-by: Sasha Levin <sashal@kernel.org>