[PATCH] mtd: nandsim: remove debugfs entries in error path

[Boris Brezillon]

On Wed, 23 Aug 2017 09:03:04 +0200
Uwe Kleine-König <u.kleine-koenig at pengutronix.de> wrote:

> The debugfs entries must be removed before an error is returned in the
> probe function. Otherwise another try to load the module fails and when
> the debugfs files are accessed without the module loaded, the kernel
> still tries to call a function in that module.

Unfortunately this patch conflicts with [1], but feel free to send it to
stable with my

Acked-by: Boris Brezillon <boris.brezillon at free-electrons.com>

Regards,

Boris

[1]http://git.infradead.org/l2-mtd.git/commit/e8e3edb95ce6a146bc774b6cfad3553f4383edc8

> 
> Fixes: 5346c27c5fed ("mtd: nandsim: Introduce debugfs infrastructure")
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
> ---
>  drivers/mtd/nand/nandsim.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
> index 03a0d057bf2f..e4211c3cc49b 100644
> --- a/drivers/mtd/nand/nandsim.c
> +++ b/drivers/mtd/nand/nandsim.c
> @@ -2373,6 +2373,7 @@ static int __init ns_init_module(void)
>          return 0;
>  
>  err_exit:
> +	nandsim_debugfs_remove(nand);
>  	free_nandsim(nand);
>  	nand_release(nsmtd);
>  	for (i = 0;i < ARRAY_SIZE(nand->partitions); ++i)