Re: [PATCH 1/2] staging: vme_user: add list_del in the error handling of tsi148_dma_list_add

[Christophe JAILLET]

Le 26/11/2022 à 13:56, Dongliang Mu a écrit :
> Smatch reports the following issue:
> drivers/staging/vme_user/vme_tsi148.c:1757 tsi148_dma_list_add()
> warn: '&entry->list' not removed from list

Hi,

Not tested with smatch, but I think that moving the list_add_tail() call 
just a few lines below, when all lights are green, would also fix the issue.

Just my 2c,

CJ


> Fix this by adding list_del in the error handling code.
>
> Signed-off-by: Dongliang Mu <dzm91@xxxxxxxxxxx>
> ---
>   drivers/staging/vme_user/vme_tsi148.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/staging/vme_user/vme_tsi148.c b/drivers/staging/vme_user/vme_tsi148.c
> index 020e0b3bce64..0171f46d1848 100644
> --- a/drivers/staging/vme_user/vme_tsi148.c
> +++ b/drivers/staging/vme_user/vme_tsi148.c
> @@ -1751,6 +1751,7 @@ static int tsi148_dma_list_add(struct vme_dma_list *list,
>   	return 0;
>   
>   err_dma:
> +	list_del(&entry->list);
>   err_dest:
>   err_source:
>   err_align: