smb/client: check if SMB1 DOS/SRV error mapping arrays are sorted

Although the arrays are sorted at build time, verify the ordering again
when cifs.ko is loaded to avoid potential regressions introduced by
future script changes.

Signed-off-by: Youling Tang <tangyouling@kylinos.cn>
Reviewed-by: ChenXiaoSong <chenxiaosong@kylinos.cn>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/smb/client/smb1maperror.c b/fs/smb/client/smb1maperror.c
index 28e1c84fa83b7933da1287406cfd2899c38fa02c..bca9b60ac8368f0fc69f17eb4200ce3b0477a8a4 100644 (file)
--- a/fs/smb/client/smb1maperror.c
+++ b/fs/smb/client/smb1maperror.c
@@ -219,6 +219,10 @@ static int __init __array ## _is_sorted(void)                              \
 
 /* ntstatus_to_dos_map_is_sorted */
 DEFINE_CHECK_SORT_FUNC(ntstatus_to_dos_map, ntstatus);
+/* mapping_table_ERRDOS_is_sorted */
+DEFINE_CHECK_SORT_FUNC(mapping_table_ERRDOS, smb_err);
+/* mapping_table_ERRSRV_is_sorted */
+DEFINE_CHECK_SORT_FUNC(mapping_table_ERRSRV, smb_err);
 
 int __init smb1_init_maperror(void)
 {
@@ -228,6 +232,14 @@ int __init smb1_init_maperror(void)
        if (rc)
                return rc;
 
+       rc = mapping_table_ERRDOS_is_sorted();
+       if (rc)
+               return rc;
+
+       rc = mapping_table_ERRSRV_is_sorted();
+       if (rc)
+               return rc;
+
        return rc;
 }