| /* |
| * Copyright (c) 2018-2019 The Linux Foundation. All rights reserved. |
| * |
| * Permission to use, copy, modify, and/or distribute this software for |
| * any purpose with or without fee is hereby granted, provided that the |
| * above copyright notice and this permission notice appear in all |
| * copies. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL |
| * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE |
| * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL |
| * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR |
| * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| * PERFORMANCE OF THIS SOFTWARE. |
| */ |
| |
| #include <linux/firmware.h> |
| #include "qdf_file.h" |
| #include "qdf_mem.h" |
| #include "qdf_module.h" |
| #include "qdf_status.h" |
| #include "qdf_trace.h" |
| #include "qdf_types.h" |
| |
| QDF_STATUS qdf_file_read(const char *path, char **out_buf) |
| { |
| int errno; |
| const struct firmware *fw; |
| char *buf; |
| |
| *out_buf = NULL; |
| |
| errno = request_firmware(&fw, path, NULL); |
| if (errno) { |
| qdf_err("Failed to read file %s", path); |
| return QDF_STATUS_E_FAILURE; |
| } |
| |
| /* qdf_mem_malloc zeros new memory; +1 size ensures null-termination */ |
| buf = qdf_mem_malloc(fw->size + 1); |
| if (!buf) { |
| release_firmware(fw); |
| return QDF_STATUS_E_NOMEM; |
| } |
| |
| qdf_mem_copy(buf, fw->data, fw->size); |
| release_firmware(fw); |
| *out_buf = buf; |
| |
| return QDF_STATUS_SUCCESS; |
| } |
| qdf_export_symbol(qdf_file_read); |
| |
| void qdf_file_buf_free(char *file_buf) |
| { |
| QDF_BUG(file_buf); |
| if (!file_buf) |
| return; |
| |
| qdf_mem_free(file_buf); |
| } |
| qdf_export_symbol(qdf_file_buf_free); |
| |