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-rw-r--r--migration/postcopy-ram.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index abe8c60a90..9b0477835f 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -604,7 +604,8 @@ void *postcopy_get_tmp_page(MigrationIncomingState *mis)
mis->postcopy_tmp_page = mmap(NULL, getpagesize(),
PROT_READ | PROT_WRITE, MAP_PRIVATE |
MAP_ANONYMOUS, -1, 0);
- if (!mis->postcopy_tmp_page) {
+ if (mis->postcopy_tmp_page == MAP_FAILED) {
+ mis->postcopy_tmp_page = NULL;
error_report("%s: %s", __func__, strerror(errno));
return NULL;
}