Re: [patch] UBIFS: Add a encryption key parameter to the compress /decompress function.

From: Artem Bityutskiy
Date: Mon Apr 02 2012 - 09:59:04 EST


On Thu, 2012-03-29 at 16:11 +0200, Joel Reardon wrote:
> Added a crypto_key parameter to ubifs compress and decompress. Will be used
> later if non-NULL to encrypt / decrypt data nodes.
>
> Signed-off-by: Joel Reardon <reardonj@xxxxxxxxxxx>

Hi,

thanks, pushed with the following amendments:

diff --git a/fs/ubifs/compress.c b/fs/ubifs/compress.c
index c91974a..b796b8d 100644
--- a/fs/ubifs/compress.c
+++ b/fs/ubifs/compress.c
@@ -82,8 +82,8 @@ struct ubifs_compressor *ubifs_compressors[UBIFS_COMPR_TYPES_CNT];
* @out_len: output buffer length is returned here
* @compr_type: type of compression to use on enter, actually used compression
* type on exit
- * @crypto_key: a pointer to bytes to use as the encryption key,
- * if NULL then no encryption is performed.
+ * @crypto_key: a pointer to bytes to use as the encryption key, if NULL then
+ * no encryption is performed
*
* This function compresses input buffer @in_buf of length @in_len and stores
* the result in the output buffer @out_buf and the resulting length in
@@ -142,8 +142,8 @@ no_compr:
* @out_buf: output buffer where decompressed data should
* @out_len: output length is returned here
* @compr_type: type of compression
- * @crypto_key: a pointer to bytes to use as the decryption key,
- * if NULL then no decryption is performed.
+ * @crypto_key: a pointer to bytes to use as the decryption key, if NULL then
+ * no decryption is performed.
*
* This function decompresses data from buffer @in_buf into buffer @out_buf.
* The length of the uncompressed data is returned in @out_len. This functions
diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index 9ece275..57c4d2f 100644
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -1113,8 +1113,7 @@ static int recomp_data_node(struct ubifs_data_node *dn, int *new_len)

len = le32_to_cpu(dn->ch.len) - UBIFS_DATA_NODE_SZ;
compr_type = le16_to_cpu(dn->compr_type);
- err = ubifs_decompress(
- &dn->data, len, buf, &out_len, compr_type, NULL);
+ err = ubifs_decompress(&dn->data, len, buf, &out_len, compr_type, NULL);
if (err)
goto out;

--
Best Regards,
Artem Bityutskiy

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