Re: [PATCH] ecryptfs: use print_hex_dump_bytes for hexdump

From: Tyler Hicks
Date: Wed Jun 19 2019 - 02:41:08 EST


On 2019-05-17 12:45:15, Sascha Hauer wrote:
> The Kernel has nice hexdump facilities, use them rather a homebrew
> hexdump function.
>
> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>

Thanks! This is much nicer. I've pushed the commit to the eCryptfs next
branch.

Tyler

> ---
> fs/ecryptfs/debug.c | 22 +++-------------------
> 1 file changed, 3 insertions(+), 19 deletions(-)
>
> diff --git a/fs/ecryptfs/debug.c b/fs/ecryptfs/debug.c
> index 3d2bdf546ec6..ee9d8ac4a809 100644
> --- a/fs/ecryptfs/debug.c
> +++ b/fs/ecryptfs/debug.c
> @@ -97,25 +97,9 @@ void ecryptfs_dump_auth_tok(struct ecryptfs_auth_tok *auth_tok)
> */
> void ecryptfs_dump_hex(char *data, int bytes)
> {
> - int i = 0;
> - int add_newline = 1;
> -
> if (ecryptfs_verbosity < 1)
> return;
> - if (bytes != 0) {
> - printk(KERN_DEBUG "0x%.2x.", (unsigned char)data[i]);
> - i++;
> - }
> - while (i < bytes) {
> - printk("0x%.2x.", (unsigned char)data[i]);
> - i++;
> - if (i % 16 == 0) {
> - printk("\n");
> - add_newline = 0;
> - } else
> - add_newline = 1;
> - }
> - if (add_newline)
> - printk("\n");
> -}
>
> + print_hex_dump(KERN_DEBUG, "ecryptfs: ", DUMP_PREFIX_OFFSET, 16, 1,
> + data, bytes, false);
> +}
> --
> 2.20.1
>