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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Grant Grundler <grundler@chromium.org>,
        "David S. Miller" <davem@davemloft.net>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 5.15 124/132] net: atlantic: reduce scope of is_rsc_complete
Date:   Mon, 23 May 2022 19:05:33 +0200
Message-Id: <20220523165844.146817007@linuxfoundation.org>
In-Reply-To: <20220523165823.492309987@linuxfoundation.org>
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From: Grant Grundler <grundler@chromium.org>

[ Upstream commit 79784d77ebbd3ec516b7a5ce555d979fb7946202 ]

Don't defer handling the err case outside the loop. That's pointless.

And since is_rsc_complete is only used inside this loop, declare
it inside the loop to reduce it's scope.

Signed-off-by: Grant Grundler <grundler@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/ethernet/aquantia/atlantic/aq_ring.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
index 7cf5a48e9a7d..339efdfb1d49 100644
--- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
+++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c
@@ -345,7 +345,6 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
 		     int budget)
 {
 	struct net_device *ndev = aq_nic_get_ndev(self->aq_nic);
-	bool is_rsc_completed = true;
 	int err = 0;
 
 	for (; (self->sw_head != self->hw_head) && budget;
@@ -365,6 +364,8 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
 		if (!buff->is_eop) {
 			buff_ = buff;
 			do {
+				bool is_rsc_completed = true;
+
 				if (buff_->next >= self->size) {
 					err = -EIO;
 					goto err_exit;
@@ -376,18 +377,16 @@ int aq_ring_rx_clean(struct aq_ring_s *self,
 							    next_,
 							    self->hw_head);
 
-				if (unlikely(!is_rsc_completed))
-					break;
+				if (unlikely(!is_rsc_completed)) {
+					err = 0;
+					goto err_exit;
+				}
 
 				buff->is_error |= buff_->is_error;
 				buff->is_cso_err |= buff_->is_cso_err;
 
 			} while (!buff_->is_eop);
 
-			if (!is_rsc_completed) {
-				err = 0;
-				goto err_exit;
-			}
 			if (buff->is_error ||
 			    (buff->is_lro && buff->is_cso_err)) {
 				buff_ = buff;
-- 
2.35.1