ksmbd: use list_for_each_entry instead of list_for_each

Use list_for_each_entry instead of list_for_each.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/cifsd/smb2pdu.c

@@ -73,10 +73,8 @@ static inline int check_session_id(struct ksmbd_conn *conn, u64 id)
 struct channel *lookup_chann_list(struct ksmbd_session *sess, struct ksmbd_conn *conn)
 {
 	struct channel *chann;
-	struct list_head *t;
 
-	list_for_each(t, &sess->ksmbd_chann_list) {
-		chann = list_entry(t, struct channel, chann_list);
+	list_for_each_entry(chann, &sess->ksmbd_chann_list, chann_list) {
 		if (chann && chann->conn == conn)
 			return chann;
 	}
@@ -6315,7 +6313,6 @@ int smb2_cancel(struct ksmbd_work *work)
 	struct smb2_hdr *hdr = work->request_buf;
 	struct smb2_hdr *chdr;
 	struct ksmbd_work *cancel_work = NULL;
-	struct list_head *tmp;
 	int canceled = 0;
 	struct list_head *command_list;
 
@@ -6326,9 +6323,8 @@ int smb2_cancel(struct ksmbd_work *work)
 		command_list = &conn->async_requests;
 
 		spin_lock(&conn->request_lock);
-		list_for_each(tmp, command_list) {
-			cancel_work = list_entry(tmp, struct ksmbd_work,
-						 async_request_entry);
+		list_for_each_entry(cancel_work, command_list,
+				    async_request_entry) {
 			chdr = cancel_work->request_buf;
 
 			if (cancel_work->async_id !=
@@ -6347,9 +6343,7 @@ int smb2_cancel(struct ksmbd_work *work)
 		command_list = &conn->requests;
 
 		spin_lock(&conn->request_lock);
-		list_for_each(tmp, command_list) {
-			cancel_work = list_entry(tmp, struct ksmbd_work,
-						 request_entry);
+		list_for_each_entry(cancel_work, command_list, request_entry) {
 			chdr = cancel_work->request_buf;
 
 			if (chdr->MessageId != hdr->MessageId ||

fs/cifsd/smb_common.c

@@ -481,15 +481,13 @@ int ksmbd_smb_check_shared_mode(struct file *filp, struct ksmbd_file *curr_fp)
 {
 	int rc = 0;
 	struct ksmbd_file *prev_fp;
-	struct list_head *cur;
 
 	/*
 	 * Lookup fp in master fp list, and check desired access and
 	 * shared mode between previous open and current open.
 	 */
 	read_lock(&curr_fp->f_ci->m_lock);
-	list_for_each(cur, &curr_fp->f_ci->m_fp_list) {
-		prev_fp = list_entry(cur, struct ksmbd_file, node);
+	list_for_each_entry(prev_fp, &curr_fp->f_ci->m_fp_list, node) {
 		if (file_inode(filp) != FP_INODE(prev_fp))
 			continue;
 

fs/cifsd/vfs_cache.c

@@ -472,15 +472,13 @@ struct ksmbd_file *ksmbd_lookup_fd_inode(struct inode *inode)
 {
 	struct ksmbd_file	*lfp;
 	struct ksmbd_inode	*ci;
-	struct list_head	*cur;
 
 	ci = ksmbd_inode_lookup_by_vfsinode(inode);
 	if (!ci)
 		return NULL;
 
 	read_lock(&ci->m_lock);
-	list_for_each(cur, &ci->m_fp_list) {
-		lfp = list_entry(cur, struct ksmbd_file, node);
+	list_for_each_entry(lfp, &ci->m_fp_list, node) {
 		if (inode == FP_INODE(lfp)) {
 			atomic_dec(&ci->m_count);
 			read_unlock(&ci->m_lock);