From: Baokun Li <libaokun1@huawei.com>
Date: Thu, 17 Jun 2021 19:36:40 +0800
Subject: [PATCH] cifs: convert list_for_each to entry variant in cifs_debug.c
Git-commit: a506ccb47c9e93fde843532670a7805452bf699b
References: bsc#1190317
Patch-mainline: v5.13

convert list_for_each() to list_for_each_entry() where
applicable.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Baokun Li <libaokun1@huawei.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Enzo Matsumiya <ematsumiya@suse.de>
---
 fs/cifs/cifs_debug.c | 24 +++++++-----------------
 1 file changed, 7 insertions(+), 17 deletions(-)

--- a/fs/cifs/cifs_debug.c
+++ b/fs/cifs/cifs_debug.c
@@ -61,7 +61,6 @@ void cifs_dump_detail(void *buf, struct
 void cifs_dump_mids(struct TCP_Server_Info *server)
 {
 #ifdef CONFIG_CIFS_DEBUG2
-	struct list_head *tmp;
 	struct mid_q_entry *mid_entry;
 
 	if (server == NULL)
@@ -69,8 +68,7 @@ void cifs_dump_mids(struct TCP_Server_In
 
 	cifs_dbg(VFS, "Dump pending requests:\n");
 	spin_lock(&GlobalMid_Lock);
-	list_for_each(tmp, &server->pending_mid_q) {
-		mid_entry = list_entry(tmp, struct mid_q_entry, qhead);
+	list_for_each_entry(mid_entry, &server->pending_mid_q, qhead) {
 		cifs_dbg(VFS, "State: %d Cmd: %d Pid: %d Cbdata: %p Mid %llu\n",
 			 mid_entry->mid_state,
 			 le16_to_cpu(mid_entry->command),
@@ -155,7 +153,7 @@ cifs_dump_iface(struct seq_file *m, stru
 
 static int cifs_debug_files_proc_show(struct seq_file *m, void *v)
 {
-	struct list_head *stmp, *tmp, *tmp1, *tmp2;
+	struct list_head *tmp, *tmp1, *tmp2;
 	struct TCP_Server_Info *server;
 	struct cifs_ses *ses;
 	struct cifs_tcon *tcon;
@@ -170,9 +168,7 @@ static int cifs_debug_files_proc_show(st
 	seq_printf(m, " <filename>\n");
 #endif /* CIFS_DEBUG2 */
 	spin_lock(&cifs_tcp_ses_lock);
-	list_for_each(stmp, &cifs_tcp_ses_list) {
-		server = list_entry(stmp, struct TCP_Server_Info,
-				    tcp_ses_list);
+	list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) {
 		list_for_each(tmp, &server->smb_ses_list) {
 			ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
 			list_for_each(tmp1, &ses->tcon_list) {
@@ -207,7 +203,7 @@ static int cifs_debug_files_proc_show(st
 
 static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
 {
-	struct list_head *tmp1, *tmp2, *tmp3;
+	struct list_head *tmp2, *tmp3;
 	struct mid_q_entry *mid_entry;
 	struct TCP_Server_Info *server;
 	struct cifs_ses *ses;
@@ -261,10 +257,7 @@ static int cifs_debug_data_proc_show(str
 
 	i = 0;
 	spin_lock(&cifs_tcp_ses_lock);
-	list_for_each(tmp1, &cifs_tcp_ses_list) {
-		server = list_entry(tmp1, struct TCP_Server_Info,
-				    tcp_ses_list);
-
+	list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) {
 #ifdef CONFIG_CIFS_SMB_DIRECT
 		if (!server->rdma)
 			goto skip_rdma;
@@ -528,7 +521,7 @@ static int cifs_stats_proc_show(struct s
 #ifdef CONFIG_CIFS_STATS2
 	int j;
 #endif /* STATS2 */
-	struct list_head *tmp1, *tmp2, *tmp3;
+	struct list_head *tmp2, *tmp3;
 	struct TCP_Server_Info *server;
 	struct cifs_ses *ses;
 	struct cifs_tcon *tcon;
@@ -559,9 +552,7 @@ static int cifs_stats_proc_show(struct s
 
 	i = 0;
 	spin_lock(&cifs_tcp_ses_lock);
-	list_for_each(tmp1, &cifs_tcp_ses_list) {
-		server = list_entry(tmp1, struct TCP_Server_Info,
-				    tcp_ses_list);
+	list_for_each_entry(server, &cifs_tcp_ses_list, tcp_ses_list) {
 		seq_printf(m, "\nMax requests in flight: %d", server->max_in_flight);
 #ifdef CONFIG_CIFS_STATS2
 		seq_puts(m, "\nTotal time spent processing by command. Time ");