Re: [PATCH 4/4] ufs: copy symlink data into the correct unionmember

[Al Viro]

On Wed, Dec 31, 2008 at 04:50:08PM +0000, Duane Griffin wrote:
> Copy symlink data into the union member it is accessed through. Although
> this shouldn't make a difference to behaviour it makes the code easier
> to follow and grep through. It may also prevent problems if the
> struct/union definitions change in the future.
> 
> Signed-off-by: Duane Griffin <duaneg@xxxxxxxxx>
> ---
>  fs/ufs/namei.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
> index e3a9b1f..3884730 100644
> --- a/fs/ufs/namei.c
> +++ b/fs/ufs/namei.c
> @@ -147,7 +147,7 @@ static int ufs_symlink (struct inode * dir, struct dentry * dentry,
>  	} else {
>  		/* fast symlink */
>  		inode->i_op = &ufs_fast_symlink_inode_operations;
> -		memcpy((char*)&UFS_I(inode)->i_u1.i_data,symname,l);
> +		memcpy((char *) &UFS_I(inode)->i_u1.i_symlink, symname, l);

Just what are these cast and & doing there?  i_symlink is an array of u8,
for fsck sake; taking its address is a pointless obfuscation.  And memcpy()
is just as fine with u8 * as it is with char *...
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