flash: Constify write buffer

[openocd.git] / src / flash / nor / stm32f1x.c

diff --git a/src/flash/nor/stm32f1x.c b/src/flash/nor/stm32f1x.c
index 1b67ff0331d0a07619a5cd2da202307261765d53..aacf6dcd942da3d7db06689fecad1570381ba688 100644 (file)
--- a/src/flash/nor/stm32f1x.c
+++ b/src/flash/nor/stm32f1x.c
@@ -130,7 +130,7 @@ struct stm32x_flash_bank {
 
 static int stm32x_mass_erase(struct flash_bank *bank);
 static int stm32x_get_device_id(struct flash_bank *bank, uint32_t *device_id);
-static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
+static int stm32x_write_block(struct flash_bank *bank, const uint8_t *buffer,
                uint32_t offset, uint32_t count);
 
 /* flash bank stm32x <base> <size> 0 0 <target#>
@@ -561,7 +561,7 @@ static int stm32x_protect(struct flash_bank *bank, int set, int first, int last)
        return stm32x_write_options(bank);
 }
 
-static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
+static int stm32x_write_block(struct flash_bank *bank, const uint8_t *buffer,
                uint32_t offset, uint32_t count)
 {
        struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
@@ -692,7 +692,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
        return retval;
 }
 
-static int stm32x_write(struct flash_bank *bank, uint8_t *buffer,
+static int stm32x_write(struct flash_bank *bank, const uint8_t *buffer,
                uint32_t offset, uint32_t count)
 {
        struct target *target = bank->target;
@@ -720,7 +720,7 @@ static int stm32x_write(struct flash_bank *bank, uint8_t *buffer,
                }
                LOG_INFO("odd number of bytes to write, padding with 0xff");
                buffer = memcpy(new_buffer, buffer, count);
-               buffer[count++] = 0xff;
+               new_buffer[count++] = 0xff;
        }
 
        uint32_t words_remaining = count / 2;