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

[Tikhomirov Pavel]

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));
-- 
1.7.9.5