On Sat, Sep 01, 2012 at 02:37:18PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> Limit it's support to existing file only
>
> Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@xxxxxxxxxxxx>
> ---
> fs/fs.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
> include/fs.h | 3 +++
> 2 files changed, 47 insertions(+)
>
> diff --git a/fs/fs.c b/fs/fs.c
> index f357a98..291e879 100644
> --- a/fs/fs.c
> +++ b/fs/fs.c
> @@ -948,6 +948,50 @@ out:
> }
> EXPORT_SYMBOL(readlink);
>
> +int symlink(const char *pathname, const char *newpath)
> +{
> + struct fs_driver_d *fsdrv;
> + struct fs_device_d *fsdev;
> + char *p = normalise_path(pathname);
> + int ret;
> + struct stat s;
> +
> + if (!stat(p, &s) && S_ISDIR(s.st_mode)) {
> + ret = -ENOSYS;
> + goto out;
> + }
newpath has to be checked for existence, not pathname.
Also I noticed that links to directories do not work.
Sascha
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