diff options
Diffstat (limited to 'tools/testing/cxl/test/mem.c')
| -rw-r--r-- | tools/testing/cxl/test/mem.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/tools/testing/cxl/test/mem.c b/tools/testing/cxl/test/mem.c index bf9caa908f89..d533481672b7 100644 --- a/tools/testing/cxl/test/mem.c +++ b/tools/testing/cxl/test/mem.c @@ -1828,27 +1828,10 @@ static ssize_t fw_buf_checksum_show(struct device *dev, { struct cxl_mockmem_data *mdata = dev_get_drvdata(dev); u8 hash[SHA256_DIGEST_SIZE]; - unsigned char *hstr, *hptr; - struct sha256_state sctx; - ssize_t written = 0; - int i; - - sha256_init(&sctx); - sha256_update(&sctx, mdata->fw, mdata->fw_size); - sha256_final(&sctx, hash); - - hstr = kzalloc((SHA256_DIGEST_SIZE * 2) + 1, GFP_KERNEL); - if (!hstr) - return -ENOMEM; - - hptr = hstr; - for (i = 0; i < SHA256_DIGEST_SIZE; i++) - hptr += sprintf(hptr, "%02x", hash[i]); - written = sysfs_emit(buf, "%s\n", hstr); + sha256(mdata->fw, mdata->fw_size, hash); - kfree(hstr); - return written; + return sysfs_emit(buf, "%*phN\n", SHA256_DIGEST_SIZE, hash); } static DEVICE_ATTR_RO(fw_buf_checksum); @@ -1909,4 +1892,5 @@ static struct platform_driver cxl_mock_mem_driver = { module_platform_driver(cxl_mock_mem_driver); MODULE_LICENSE("GPL v2"); +MODULE_DESCRIPTION("cxl_test: mem device mock module"); MODULE_IMPORT_NS("CXL"); |