[CRIU] [PATCH 2/2]v2 page-read: check function return value

[Pavel Emelyanov]

On 12/02/2013 02:53 PM, Tikhomirov Pavel wrote:
> 
> Signed-off-by: Tikhomirov Pavel <snorcht at gmail.com>
> ---
>  page-read.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/page-read.c b/page-read.c
> index 8855977..43f1b2a 100644
> --- a/page-read.c
> +++ b/page-read.c
> @@ -127,6 +127,8 @@ static int read_pagemap_page(struct page_read *pr, unsigned long vaddr, void *bu
>  	if (pr->pe->in_parent) {
>  		pr_debug("\tpr%u Read page %lx from parent\n", pr->id, vaddr);
>  		ret = read_pagemap_page_from_parent(pr->parent, vaddr, buf, 0);
> +		if (ret == -1)
> +			return ret;
>  	} else {
>  		pr_debug("\tpr%u Read page %lx from self %lx/%"PRIx64"\n", pr->id,
>  				vaddr, pr->cvaddr, lseek(pr->fd_pg, 0, SEEK_CUR));
> 


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