qemu-kvm/SOURCES/kvm-qxl-fix-pre-save-logic....

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Diff

From ccb23fcac26e2a3712e2f25af6499a1d3b7e2882 Mon Sep 17 00:00:00 2001
From: Gerd Hoffmann <kraxel@redhat.com>
Date: Fri, 10 Sep 2021 11:42:03 +0200
Subject: [PATCH 1/4] qxl: fix pre-save logic
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
RH-Author: Gerd Hoffmann <kraxel@redhat.com>
RH-MergeRequest: 39: qxl: fix pre-save logic
RH-Commit: [1/1] 126b1a352c63805bd23f5eb704515090eedc04e7
RH-Bugzilla: 2002907
RH-Acked-by: Philippe Mathieu-Daudé <philmd@redhat.com>
RH-Acked-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
RH-Acked-by: Marc-André Lureau <None>
Oops. Logic is backwards.
Fixes: 39b8a183e2f3 ("qxl: remove assert in qxl_pre_save.")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/610
Resolves: https://bugzilla.redhat.com//show_bug.cgi?id=2002907
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20210910094203.3582378-1-kraxel@redhat.com>
(cherry picked from commit eb94846280df3f1e2a91b6179fc05f9890b7e384)
---
hw/display/qxl.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/display/qxl.c b/hw/display/qxl.c
index 43482d4364..29c80b4289 100644
--- a/hw/display/qxl.c
+++ b/hw/display/qxl.c
@@ -2252,7 +2252,7 @@ static int qxl_pre_save(void *opaque)
} else {
d->last_release_offset = (uint8_t *)d->last_release - ram_start;
}
- if (d->last_release_offset < d->vga.vram_size) {
+ if (d->last_release_offset >= d->vga.vram_size) {
return 1;
}
--
2.18.2