the unprotect fn in stm32 needs to unprotect more sectors
than was requested aligned to some boundary.

Print warning when this happens.

Signed-off-by: Øyvind Harboe <[email protected]>
---
 src/flash/nor/stm32x.c |   15 +++++++++++----
 1 files changed, 11 insertions(+), 4 deletions(-)

diff --git a/src/flash/nor/stm32x.c b/src/flash/nor/stm32x.c
index 0edadfd..3c49b8b 100644
--- a/src/flash/nor/stm32x.c
+++ b/src/flash/nor/stm32x.c
@@ -487,12 +487,19 @@ static int stm32x_protect(struct flash_bank *bank, int 
set, int first, int last)
                return ERROR_TARGET_NOT_HALTED;
        }
 
-       if ((first && (first % stm32x_info->ppage_size)) || ((last + 1) &&
-                       (last + 1) % stm32x_info->ppage_size))
+       if ((first % stm32x_info->ppage_size) != 0)
        {
-               LOG_WARNING("Error: start and end sectors must be on a %d 
sector boundary",
+               LOG_WARNING("aligned start protect sector to a %d sector 
boundary",
                                stm32x_info->ppage_size);
-               return ERROR_FLASH_SECTOR_INVALID;
+               first = first - (first % stm32x_info->ppage_size);
+       }
+       if (((last + 1) % stm32x_info->ppage_size) != 0)
+       {
+               LOG_WARNING("aligned end protect sector to a %d sector 
boundary",
+                               stm32x_info->ppage_size);
+               last++;
+               last = last - (last % stm32x_info->ppage_size);
+               last--;
        }
 
        /* medium density - each bit refers to a 4bank protection
-- 
1.7.0.4

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