LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
From: Jan Kara <jack@suse.cz>
To: marcin.slusarz@gmail.com
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 03/10] udf: udf_CS0toNLS cleanup
Date: Thu, 31 Jan 2008 13:23:42 +0100	[thread overview]
Message-ID: <20080131122341.GC1461@duck.suse.cz> (raw)
In-Reply-To: <1201727040-6769-4-git-send-email-marcin.slusarz@gmail.com>

On Wed 30-01-08 22:03:53, marcin.slusarz@gmail.com wrote:
> - fix error handling - always zero output variable
> - don't zero explicitely fields zeroed by memset
> - mark "in" paramater as const
> 
> Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
> Cc: Jan Kara <jack@suse.cz>
  Acked-by: Jan Kara <jack@suse.cz>

								Honza
> ---
>  fs/udf/unicode.c |   19 ++++++++-----------
>  1 files changed, 8 insertions(+), 11 deletions(-)
> 
> diff --git a/fs/udf/unicode.c b/fs/udf/unicode.c
> index f4e54e5..d068d33 100644
> --- a/fs/udf/unicode.c
> +++ b/fs/udf/unicode.c
> @@ -248,35 +248,32 @@ error_out:
>  }
>  
>  static int udf_CS0toNLS(struct nls_table *nls, struct ustr *utf_o,
> -			struct ustr *ocu_i)
> +			const struct ustr *ocu_i)
>  {
> -	uint8_t *ocu;
> -	uint32_t c;
> +	const uint8_t *ocu;
>  	uint8_t cmp_id, ocu_len;
>  	int i;
>  
> -	ocu = ocu_i->u_name;
>  
>  	ocu_len = ocu_i->u_len;
> -	cmp_id = ocu_i->u_cmpID;
> -	utf_o->u_len = 0;
> -
>  	if (ocu_len == 0) {
>  		memset(utf_o, 0, sizeof(struct ustr));
> -		utf_o->u_cmpID = 0;
> -		utf_o->u_len = 0;
>  		return 0;
>  	}
>  
> -	if ((cmp_id != 8) && (cmp_id != 16)) {
> +	cmp_id = ocu_i->u_cmpID;
> +	if (cmp_id != 8 && cmp_id != 16) {
> +		memset(utf_o, 0, sizeof(struct ustr));
>  		printk(KERN_ERR "udf: unknown compression code (%d) stri=%s\n",
>  		       cmp_id, ocu_i->u_name);
>  		return 0;
>  	}
>  
> +	ocu = ocu_i->u_name;
> +	utf_o->u_len = 0;
>  	for (i = 0; (i < ocu_len) && (utf_o->u_len <= (UDF_NAME_LEN - 3));) {
>  		/* Expand OSTA compressed Unicode to Unicode */
> -		c = ocu[i++];
> +		uint32_t c = ocu[i++];
>  		if (cmp_id == 16)
>  			c = (c << 8) | ocu[i++];
>  
> -- 
> 1.5.3.7
> 
-- 
Jan Kara <jack@suse.cz>
SUSE Labs, CR

  reply	other threads:[~2008-01-31 12:23 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-01-30 21:03 [PATCH 00/10] udf: cleanups marcin.slusarz
2008-01-30 21:03 ` [PATCH 01/10] udf: udf_CS0toUTF8 cleanup marcin.slusarz
2008-01-31  9:57   ` Jan Kara
2008-01-30 21:03 ` [PATCH 02/10] udf: fix udf_build_ustr marcin.slusarz
2008-01-31 10:45   ` Jan Kara
2008-01-31 19:57     ` Marcin Slusarz
2008-02-04 19:31       ` Jan Kara
2008-02-04 21:27         ` Marcin Slusarz
2008-02-05 15:29           ` Jan Kara
2008-02-05 19:17             ` Marcin Slusarz
2008-01-30 21:03 ` [PATCH 03/10] udf: udf_CS0toNLS cleanup marcin.slusarz
2008-01-31 12:23   ` Jan Kara [this message]
2008-01-30 21:03 ` [PATCH 04/10] udf: constify crc marcin.slusarz
2008-01-31 12:58   ` Jan Kara
2008-01-30 21:03 ` [PATCH 05/10] udf: simple cleanup of truncate.c marcin.slusarz
2008-01-31 13:01   ` Jan Kara
2008-01-30 21:03 ` [PATCH 06/10] udf: truncate: create function for updating of Allocation Ext Descriptor marcin.slusarz
2008-01-31 17:08   ` Jan Kara
2008-01-31 18:18     ` Marcin Slusarz
2008-01-30 21:03 ` [PATCH 07/10] udf: replace all adds to little endians variables with le*_add_cpu marcin.slusarz
2008-01-31 16:42   ` Jan Kara
2008-01-30 21:03 ` [PATCH 08/10] udf: simplify __udf_read_inode marcin.slusarz
2008-01-31 16:46   ` Jan Kara
2008-01-30 21:03 ` [PATCH 09/10] udf: replace udf_*_offset macros with functions marcin.slusarz
2008-01-31 16:48   ` Jan Kara
2008-01-30 21:04 ` [PATCH 10/10] udf: constify udf_bitmap_lookup array marcin.slusarz
2008-01-31 16:52   ` Jan Kara
2008-02-02 21:37     ` Marcin Slusarz
2008-02-04 19:15       ` Jan Kara

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20080131122341.GC1461@duck.suse.cz \
    --to=jack@suse.cz \
    --cc=linux-kernel@vger.kernel.org \
    --cc=marcin.slusarz@gmail.com \
    --subject='Re: [PATCH 03/10] udf: udf_CS0toNLS cleanup' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).