flash/nor: make all working area pointers local

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

diff --git a/src/flash/nor/stm32f1x.c b/src/flash/nor/stm32f1x.c
index f6eb21b6585f4038c26df7db8dc68c5736909be9..9d093607fd1f315964732c39db44ca8f149f7365 100644 (file)
--- a/src/flash/nor/stm32f1x.c
+++ b/src/flash/nor/stm32f1x.c
@@ -110,7 +110,6 @@ struct stm32x_options {
 
 struct stm32x_flash_bank {
        struct stm32x_options option_bytes;
-       struct working_area *write_algorithm;
        int ppage_size;
        int probed;
 
@@ -134,7 +133,6 @@ FLASH_BANK_COMMAND_HANDLER(stm32x_flash_bank_command)
        stm32x_info = malloc(sizeof(struct stm32x_flash_bank));
 
        bank->driver_priv = stm32x_info;
-       stm32x_info->write_algorithm = NULL;
        stm32x_info->probed = 0;
        stm32x_info->has_dual_banks = false;
        stm32x_info->register_base = FLASH_REG_BASE_B0;
@@ -603,6 +601,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
        struct stm32x_flash_bank *stm32x_info = bank->driver_priv;
        struct target *target = bank->target;
        uint32_t buffer_size = 16384;
+       struct working_area *write_algorithm;
        struct working_area *source;
        uint32_t address = bank->base + offset;
        struct reg_param reg_params[5];
@@ -652,12 +651,12 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
 
        /* flash write code */
        if (target_alloc_working_area(target, sizeof(stm32x_flash_write_code),
-                       &stm32x_info->write_algorithm) != ERROR_OK) {
+                       &write_algorithm) != ERROR_OK) {
                LOG_WARNING("no working area available, can't do block memory writes");
                return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
        };
 
-       retval = target_write_buffer(target, stm32x_info->write_algorithm->address,
+       retval = target_write_buffer(target, write_algorithm->address,
                        sizeof(stm32x_flash_write_code), (uint8_t *)stm32x_flash_write_code);
        if (retval != ERROR_OK)
                return retval;
@@ -667,10 +666,9 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
                buffer_size /= 2;
                buffer_size &= ~3UL; /* Make sure it's 4 byte aligned */
                if (buffer_size <= 256) {
-                       /* if we already allocated the writing code, but failed to get a
+                       /* we already allocated the writing code, but failed to get a
                         * buffer, free the algorithm */
-                       if (stm32x_info->write_algorithm)
-                               target_free_working_area(target, stm32x_info->write_algorithm);
+                       target_free_working_area(target, write_algorithm);
 
                        LOG_WARNING("no large enough working area available, can't do block memory writes");
                        return ERROR_TARGET_RESOURCE_NOT_AVAILABLE;
@@ -696,7 +694,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
                        0, NULL,
                        5, reg_params,
                        source->address, source->size,
-                       stm32x_info->write_algorithm->address, 0,
+                       write_algorithm->address, 0,
                        &armv7m_info);
 
        if (retval == ERROR_FLASH_OPERATION_FAILED) {
@@ -717,7 +715,7 @@ static int stm32x_write_block(struct flash_bank *bank, uint8_t *buffer,
        }
 
        target_free_working_area(target, source);
-       target_free_working_area(target, stm32x_info->write_algorithm);
+       target_free_working_area(target, write_algorithm);
 
        destroy_reg_param(&reg_params[0]);
        destroy_reg_param(&reg_params[1]);