Re: [PATCH 2/3] fs/ceph/xattr.c: Use kasprintf

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On Sun, 2010-10-17 at 20:48 +0200, Julia Lawall wrote:
> Convert a sequence of kmalloc and memcpy to use kasprintf.  The argument is
> checked for being a string by the presence of a previous call to strlen.
[]
> diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
[]
> @@ -716,10 +716,9 @@ int ceph_setxattr(struct dentry *dentry, const char *name,
>  
>  	/* preallocate memory for xattr name, value, index node */
>  	err = -ENOMEM;
> -	newname = kmalloc(name_len + 1, GFP_NOFS);
> +	newname = kasprintf(GFP_NOFS, "%s", name);

This one is probably better converted to kmemdup
as name_len is already known and is used later
in the routine.

kstrdup is also a possibility.


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