diff --git a/fs/smb/server/smb2pdu.c b/fs/smb/server/smb2pdu.c
index 1598ad6155fef..3f4f6b0385655 100644
--- a/fs/smb/server/smb2pdu.c
+++ b/fs/smb/server/smb2pdu.c
@@ -3525,7 +3525,7 @@ static int smb2_populate_readdir_entry(struct ksmbd_conn *conn, int info_level,
 		goto free_conv_name;
 	}
 
-	struct_sz = readdir_info_level_struct_sz(info_level) - 1 + conv_len;
+	struct_sz = readdir_info_level_struct_sz(info_level) + conv_len;
 	next_entry_offset = ALIGN(struct_sz, KSMBD_DIR_INFO_ALIGNMENT);
 	d_info->last_entry_off_align = next_entry_offset - struct_sz;
 
@@ -3777,7 +3777,7 @@ static int reserve_populate_dentry(struct ksmbd_dir_info *d_info,
 		return -EOPNOTSUPP;
 
 	conv_len = (d_info->name_len + 1) * 2;
-	next_entry_offset = ALIGN(struct_sz - 1 + conv_len,
+	next_entry_offset = ALIGN(struct_sz + conv_len,
 				  KSMBD_DIR_INFO_ALIGNMENT);
 
 	if (next_entry_offset > d_info->out_buf_len) {
diff --git a/fs/smb/server/smb2pdu.h b/fs/smb/server/smb2pdu.h
index 665a837378540..f13bd65993ccc 100644
--- a/fs/smb/server/smb2pdu.h
+++ b/fs/smb/server/smb2pdu.h
@@ -446,7 +446,7 @@ struct smb2_posix_info {
 	/* SidBuffer contain two sids (UNIX user sid(16), UNIX group sid(16)) */
 	u8 SidBuffer[32];
 	__le32 name_len;
-	u8 name[1];
+	u8 name[];
 	/*
 	 * var sized owner SID
 	 * var sized group SID
diff --git a/fs/smb/server/smb_common.h b/fs/smb/server/smb_common.h
index 1cbb492cdefec..f0134d16067fb 100644
--- a/fs/smb/server/smb_common.h
+++ b/fs/smb/server/smb_common.h
@@ -263,14 +263,14 @@ struct file_directory_info {
 	__le64 AllocationSize;
 	__le32 ExtFileAttributes;
 	__le32 FileNameLength;
-	char FileName[1];
+	char FileName[];
 } __packed;   /* level 0x101 FF resp data */
 
 struct file_names_info {
 	__le32 NextEntryOffset;
 	__u32 FileIndex;
 	__le32 FileNameLength;
-	char FileName[1];
+	char FileName[];
 } __packed;   /* level 0xc FF resp data */
 
 struct file_full_directory_info {
@@ -285,7 +285,7 @@ struct file_full_directory_info {
 	__le32 ExtFileAttributes;
 	__le32 FileNameLength;
 	__le32 EaSize;
-	char FileName[1];
+	char FileName[];
 } __packed; /* level 0x102 FF resp */
 
 struct file_both_directory_info {
@@ -303,7 +303,7 @@ struct file_both_directory_info {
 	__u8   ShortNameLength;
 	__u8   Reserved;
 	__u8   ShortName[24];
-	char FileName[1];
+	char FileName[];
 } __packed; /* level 0x104 FFrsp data */
 
 struct file_id_both_directory_info {
@@ -323,7 +323,7 @@ struct file_id_both_directory_info {
 	__u8   ShortName[24];
 	__le16 Reserved2;
 	__le64 UniqueId;
-	char FileName[1];
+	char FileName[];
 } __packed;
 
 struct file_id_full_dir_info {
@@ -340,7 +340,7 @@ struct file_id_full_dir_info {
 	__le32 EaSize; /* EA size */
 	__le32 Reserved;
 	__le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/
-	char FileName[1];
+	char FileName[];
 } __packed; /* level 0x105 FF rsp data */
 
 struct smb_version_values {