openocd: fix simple cases of NULL comparison

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

diff --git a/src/flash/nor/tcl.c b/src/flash/nor/tcl.c
index 1705384c7acbd0cad1769c4cc4f835276d821f08..d7466501782d5311066e451dd6e2f0189af804d8 100644 (file)
--- a/src/flash/nor/tcl.c
+++ b/src/flash/nor/tcl.c
@@ -88,7 +88,7 @@ COMMAND_HANDLER(handle_flash_info_command)
        if (retval != ERROR_OK)
                return retval;
 
-       if (p != NULL) {
+       if (p) {
                int num_blocks;
                struct flash_sector *block_array;
 
@@ -584,7 +584,7 @@ COMMAND_HANDLER(handle_flash_fill_command)
        uint32_t padding_at_end = aligned_end - end_addr;
 
        uint8_t *buffer = malloc(aligned_size);
-       if (buffer == NULL)
+       if (!buffer)
                return ERROR_FAIL;
 
        if (padding_at_start) {
@@ -724,7 +724,7 @@ COMMAND_HANDLER(handle_flash_md_command)
        }
 
        uint8_t *buffer = calloc(count, wordsize);
-       if (buffer == NULL) {
+       if (!buffer) {
                command_print(CMD, "No memory for flash read buffer");
                return ERROR_FAIL;
        }
@@ -799,7 +799,7 @@ COMMAND_HANDLER(handle_flash_write_bank_command)
        uint32_t padding_at_end = aligned_end - end_addr;
 
        buffer = malloc(aligned_size);
-       if (buffer == NULL) {
+       if (!buffer) {
                fileio_close(fileio);
                LOG_ERROR("Out of memory");
                return ERROR_FAIL;
@@ -896,7 +896,7 @@ COMMAND_HANDLER(handle_flash_read_bank_command)
        }
 
        buffer = malloc(length);
-       if (buffer == NULL) {
+       if (!buffer) {
                LOG_ERROR("Out of memory");
                return ERROR_FAIL;
        }
@@ -990,7 +990,7 @@ COMMAND_HANDLER(handle_flash_verify_bank_command)
                        "first %zu bytes of the file", length);
 
        buffer_file = malloc(length);
-       if (buffer_file == NULL) {
+       if (!buffer_file) {
                LOG_ERROR("Out of memory");
                fileio_close(fileio);
                return ERROR_FAIL;
@@ -1011,7 +1011,7 @@ COMMAND_HANDLER(handle_flash_verify_bank_command)
        }
 
        buffer_flash = malloc(length);
-       if (buffer_flash == NULL) {
+       if (!buffer_flash) {
                LOG_ERROR("Out of memory");
                free(buffer_file);
                return ERROR_FAIL;
@@ -1262,14 +1262,14 @@ COMMAND_HANDLER(handle_flash_bank_command)
        CMD_ARGC--;
 
        struct target *target = get_target(CMD_ARGV[5]);
-       if (target == NULL) {
+       if (!target) {
                LOG_ERROR("target '%s' not defined", CMD_ARGV[5]);
                return ERROR_FAIL;
        }
 
        const char *driver_name = CMD_ARGV[0];
        const struct flash_driver *driver = flash_driver_find_by_name(driver_name);
-       if (NULL == driver) {
+       if (!driver) {
                /* no matching flash driver found */
                LOG_ERROR("flash driver '%s' not found", driver_name);
                return ERROR_FAIL;
@@ -1283,7 +1283,7 @@ COMMAND_HANDLER(handle_flash_bank_command)
        }
 
        /* register flash specific commands */
-       if (NULL != driver->commands) {
+       if (driver->commands) {
                int retval = register_commands(CMD_CTX, NULL,
                                driver->commands);
                if (retval != ERROR_OK) {
@@ -1313,7 +1313,7 @@ COMMAND_HANDLER(handle_flash_bank_command)
                return retval;
        }
 
-       if (driver->usage == NULL)
+       if (!driver->usage)
                LOG_DEBUG("'%s' driver usage field missing", driver_name);
 
        flash_bank_add(c);