From: Geliang Tang <geliangtang@gmail.com>
Date: Sun, 28 Jun 2020 10:14:13 +0000 (+0800)
Subject: liquidio: use list_empty_careful in lio_list_delete_head
X-Git-Tag: x86-urgent-2020-08-15~21^2~397
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=b8483ecaf72ee9059dcca5de969781028a550f89;p=users%2Fdwmw2%2Flinux.git

liquidio: use list_empty_careful in lio_list_delete_head

Use list_empty_careful() instead of open-coding.

Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h
index 50201fc86dcf6..ebe56bd8849b2 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;