more error propagation

git-svn-id: svn://svn.berlios.de/openocd/trunk@928 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/flash/str9x.c b/src/flash/str9x.c
index 89f673761be07fe5498a1c2909f97160a9045bcb..c80e56ab53a3bb7e6f604be80f7169a3be388afa 100644 (file)
--- a/src/flash/str9x.c
+++ b/src/flash/str9x.c
@@ -4,6 +4,9 @@
  *                                                                         *
  *   Copyright (C) 2008 by Spencer Oliver                                  *
  *   spen@spen-soft.co.uk                                                  *
+ *
+ *   Copyright (C) 2008 by Oyvind Harboe                                   *
+ *   oyvind.harboe@zylin.com                                               *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -183,6 +186,7 @@ int str9x_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char
 
 int str9x_protect_check(struct flash_bank_s *bank)
 {
+       int retval;
        str9x_flash_bank_t *str9x_info = bank->driver_priv;
        target_t *target = bank->target;
        
@@ -203,25 +207,46 @@ int str9x_protect_check(struct flash_bank_s *bank)
                if (str9x_info->bank1)
                {
                        adr = bank1start + 0x18;
-                       target_write_u16(target, adr, 0x90);
-                       target_read_u16(target, adr, (u16*)&status);
+                       if ((retval=target_write_u16(target, adr, 0x90))!=ERROR_OK)
+                       {
+                               return retval;
+                       }
+                       if ((retval=target_read_u16(target, adr, (u16*)&status))!=ERROR_OK)
+                       {
+                               return retval;
+                       }
                }
                else
                {
                        adr = bank1start + 0x14;
-                       target_write_u16(target, adr, 0x90);
-                       target_read_u32(target, adr, &status);
+                       if ((retval=target_write_u16(target, adr, 0x90))!=ERROR_OK)
+                       {
+                               return retval;
+                       }
+                       if ((retval=target_read_u32(target, adr, &status))!=ERROR_OK)
+                       {
+                               return retval;
+                       }
                }
        }
        else
        {
                adr = bank1start + 0x10;
-               target_write_u16(target, adr, 0x90);
-               target_read_u16(target, adr, (u16*)&status);
+               if ((retval=target_write_u16(target, adr, 0x90))!=ERROR_OK)
+               {
+                       return retval;
+               }
+               if ((retval=target_read_u16(target, adr, (u16*)&status))!=ERROR_OK)
+               {
+                       return retval;
+               }
        }
        
        /* read array command */
-       target_write_u16(target, adr, 0xFF);
+       if ((retval=target_write_u16(target, adr, 0xFF))!=ERROR_OK)
+       {
+               return retval;
+       }
        
        for (i = 0; i < bank->num_sectors; i++)
        {