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[PATCH] postocpy: Check that postocpy fd's are not NULL
From: |
Juan Quintela |
Subject: |
[PATCH] postocpy: Check that postocpy fd's are not NULL |
Date: |
Wed, 3 Nov 2021 20:31:29 +0100 |
If postcopy has finished, it frees the array.
But vhost-user unregister it at cleanup time.
Signed-off-by: Juan Quintela <quintela@redhat.com>
---
migration/postcopy-ram.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c
index e721f69d0f..d18b5d05b2 100644
--- a/migration/postcopy-ram.c
+++ b/migration/postcopy-ram.c
@@ -1457,6 +1457,10 @@ void postcopy_unregister_shared_ufd(struct PostCopyFD
*pcfd)
MigrationIncomingState *mis = migration_incoming_get_current();
GArray *pcrfds = mis->postcopy_remote_fds;
+ if (!pcrfds) {
+ /* migration has already finished and freed the array */
+ return;
+ }
for (i = 0; i < pcrfds->len; i++) {
struct PostCopyFD *cur = &g_array_index(pcrfds, struct PostCopyFD, i);
if (cur->fd == pcfd->fd) {
--
2.33.1
- [PATCH] postocpy: Check that postocpy fd's are not NULL,
Juan Quintela <=