mir/criu
2
0
Fork 0
mirror of https://github.com/checkpoint-restore/criu synced 2025-08-29 05:18:00 +00:00
Code Issues Releases Wiki Activity

lazy-pages: merge_iov_lists: fix corner case of empty destination

Browse Source 
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>
This commit is contained in:
Mike Rapoport 2018-04-16 19:58:59 +03:00 committed by Andrei Vagin
parent 48d9930055
commit 12cc41f671
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
criu/uffd.c
View File

@ -419,6 +419,14 @@ static void merge_iov_lists(struct list_head *src, struct list_head *dst)
{
struct lazy_iov *iov, *p, *n;
if (list_empty(src))
return;
if (list_empty(dst)) {
iov = list_first_entry(src, struct lazy_iov, l);
list_move(&iov->l, dst);
}
list_for_each_entry_safe(iov, n, src, l) {
list_for_each_entry(p, dst, l) {
if (iov->start < p->start) {