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path: root/drivers/base/firmware_loader/main.c
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Diffstat (limited to 'drivers/base/firmware_loader/main.c')
-rw-r--r--drivers/base/firmware_loader/main.c34
1 files changed, 4 insertions, 30 deletions
diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c
index cb0912ea3e62..44486b2c7172 100644
--- a/drivers/base/firmware_loader/main.c
+++ b/drivers/base/firmware_loader/main.c
@@ -806,41 +806,15 @@ static void fw_abort_batch_reqs(struct firmware *fw)
}
#if defined(CONFIG_FW_LOADER_DEBUG)
-#include <crypto/hash.h>
#include <crypto/sha2.h>
static void fw_log_firmware_info(const struct firmware *fw, const char *name, struct device *device)
{
- struct shash_desc *shash;
- struct crypto_shash *alg;
- u8 *sha256buf;
- char *outbuf;
+ u8 digest[SHA256_DIGEST_SIZE];
- alg = crypto_alloc_shash("sha256", 0, 0);
- if (IS_ERR(alg))
- return;
-
- sha256buf = kmalloc(SHA256_DIGEST_SIZE, GFP_KERNEL);
- outbuf = kmalloc(SHA256_BLOCK_SIZE + 1, GFP_KERNEL);
- shash = kmalloc(sizeof(*shash) + crypto_shash_descsize(alg), GFP_KERNEL);
- if (!sha256buf || !outbuf || !shash)
- goto out_free;
-
- shash->tfm = alg;
-
- if (crypto_shash_digest(shash, fw->data, fw->size, sha256buf) < 0)
- goto out_free;
-
- for (int i = 0; i < SHA256_DIGEST_SIZE; i++)
- sprintf(&outbuf[i * 2], "%02x", sha256buf[i]);
- outbuf[SHA256_BLOCK_SIZE] = 0;
- dev_dbg(device, "Loaded FW: %s, sha256: %s\n", name, outbuf);
-
-out_free:
- kfree(shash);
- kfree(outbuf);
- kfree(sha256buf);
- crypto_free_shash(alg);
+ sha256(fw->data, fw->size, digest);
+ dev_dbg(device, "Loaded FW: %s, sha256: %*phN\n",
+ name, SHA256_DIGEST_SIZE, digest);
}
#else
static void fw_log_firmware_info(const struct firmware *fw, const char *name,