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-rw-r--r--security/keys/big_key.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/security/keys/big_key.c b/security/keys/big_key.c
index 835c1ab30d01..6acb00f6f22c 100644
--- a/security/keys/big_key.c
+++ b/security/keys/big_key.c
@@ -147,6 +147,7 @@ int big_key_preparse(struct key_preparsed_payload *prep)
* File content is stored encrypted with randomly generated key.
*/
size_t enclen = ALIGN(datalen, crypto_skcipher_blocksize(big_key_skcipher));
+ loff_t pos = 0;
/* prepare aligned data to encrypt */
data = kmalloc(enclen, GFP_KERNEL);
@@ -179,7 +180,7 @@ int big_key_preparse(struct key_preparsed_payload *prep)
goto err_enckey;
}
- written = kernel_write(file, data, enclen, 0);
+ written = kernel_write(file, data, enclen, &pos);
if (written != enclen) {
ret = written;
if (written >= 0)
@@ -295,6 +296,7 @@ long big_key_read(const struct key *key, char __user *buffer, size_t buflen)
u8 *data;
u8 *enckey = (u8 *)key->payload.data[big_key_data];
size_t enclen = ALIGN(datalen, crypto_skcipher_blocksize(big_key_skcipher));
+ loff_t pos = 0;
data = kmalloc(enclen, GFP_KERNEL);
if (!data)
@@ -307,7 +309,7 @@ long big_key_read(const struct key *key, char __user *buffer, size_t buflen)
}
/* read file to kernel and decrypt */
- ret = kernel_read(file, 0, data, enclen);
+ ret = kernel_read(file, data, enclen, &pos);
if (ret >= 0 && ret != enclen) {
ret = -EIO;
goto err_fput;