netdev - [PATCH net-next] liquidio: use list_empty_careful in lio_list_delete

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Date:   Sun, 28 Jun 2020 18:14:13 +0800
From:   Geliang Tang <geliangtang@...il.com>
To:     Derek Chickles <dchickles@...vell.com>,
        Satanand Burla <sburla@...vell.com>,
        Felix Manlunas <fmanlunas@...vell.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>
Cc:     Geliang Tang <geliangtang@...il.com>, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH net-next] liquidio: use list_empty_careful in lio_list_delete_head

Use list_empty_careful() instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@...il.com>
---
 drivers/net/ethernet/cavium/liquidio/octeon_network.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h
index 50201fc86dcf..ebe56bd8849b 100644
--- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h
+++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h
@@ -612,7 +612,7 @@ static inline struct list_head *lio_list_delete_head(struct list_head *root)
 {
 	struct list_head *node;
 
-	if (root->prev == root && root->next == root)
+	if (list_empty_careful(root))
 		node = NULL;
 	else
 		node = root->next;
-- 
2.17.1