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Fix compiler warnings: blisp_flash_firmware

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Improve blisp_flash_firmware error handling:
- Address never checked return of `parse_firmware_file`
- Ensure the function always returns the correct blisp_return_t value
- Make error checking syntactic dance consistent
This commit is contained in:
Berk D. Demir
2025-07-17 14:59:09 -07:00
parent 77410adbee
commit 20270e5201
1 changed files with 14 additions and 8 deletions
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tools/blisp/src/cmd/write.c
+14 -8
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@@ -168,31 +168,35 @@ void fill_up_boot_header(struct bfl_boot_header* boot_header) {
blisp_return_t blisp_flash_firmware() {
struct blisp_device device;
blisp_return_t ret;
blisp_return_t ret = BLISP_OK;
if (access(binary_to_write->filename[0], R_OK) != 0) {
// File not accessible, error out.
fprintf(stderr, "Input firmware not found: %s\n", binary_to_write->filename[0]);
cmd_write_args_print_glossary(); /* Print help to assist user */
/* No need to free memory, will now exit with ret code 1 */
return 1;
return BLISP_ERR_CANT_OPEN_FILE;
}
ret = blisp_common_init_device(&device, port_name, chip_type);
if (ret != 0) {
if (ret != BLISP_OK) {
return ret;
}
if (blisp_common_prepare_flash(&device) != 0) {
ret = blisp_common_prepare_flash(&device);
if (ret != BLISP_OK) {
// TODO: Error handling
goto exit1;
}
parsed_firmware_file_t parsed_file;
memset(&parsed_file, 0, sizeof(parsed_file));
int parsed_result =
parse_firmware_file(binary_to_write->filename[0], &parsed_file);
if (parse_firmware_file(binary_to_write->filename[0], &parsed_file) < 0) {
// `parse_firmware_file` doesn't return `blisp_return_t`
// so we default to the generic error.
ret = BLISP_ERR_UNKNOWN;
goto exit1;
}
// If we are injecting a bootloader section, make it, erase flash, and flash
// it. Then when we do firmware later on; it will be located afterwards
@@ -249,7 +253,7 @@ blisp_return_t blisp_flash_firmware() {
&device, &data_transport, parsed_file.payload_address,
parsed_file.payload_length, blisp_common_progress_callback);
if (ret < BLISP_OK) {
if (ret != BLISP_OK) {
fprintf(stderr, "Failed to write app to flash.\n");
goto exit2;
}
@@ -275,6 +279,8 @@ exit2:
free(parsed_file.payload);
exit1:
blisp_device_close(&device);
return ret;
}
blisp_return_t cmd_write_args_init() {