fs: fix kernel_write prototype

Make the position an in/out argument like all the other read/write
helpers and and make the buf argument a void pointer.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 1 deletions

diff --git a/security/keys/big_key.c b/security/keys/big_key.c
index 9f4c86cade8e..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)