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criu: page-xfer: get_remote_page: respect nr_pages parameter

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travis-ci: success for uffd: A new set of improvements
Signed-off-by: Mike Rapoport <rppt@linux.vnet.ibm.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Mike Rapoport
2016-11-15 18:57:20 +02:00
committed by Andrei Vagin
parent 20d7eb4c56
commit c23b83ce3a
1 changed files with 3 additions and 2 deletions
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5
criu/page-xfer.c
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@@ -953,6 +953,7 @@ out:
int get_remote_pages(int pid, unsigned long addr, int nr_pages, void *dest)
{
int ret;
int len = PAGE_SIZE * nr_pages;
struct page_server_iov pi;
@@ -972,8 +973,8 @@ int get_remote_pages(int pid, unsigned long addr, int nr_pages, void *dest)
if (pi.nr_pages > nr_pages)
return -1;
ret = recv(page_server_sk, dest, PAGE_SIZE, MSG_WAITALL);
if (ret != PAGE_SIZE)
ret = recv(page_server_sk, dest, len, MSG_WAITALL);
if (ret != len)
return -1;
return 1;