9290838132
Fix segfault with zero length virtio-scsi disk (bz #847549)
39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
From f065553b45322bb0ba14a4c9d1fb65554ae3e325 Mon Sep 17 00:00:00 2001
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From: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
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Date: Thu, 30 Aug 2012 03:39:45 +0900
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Subject: [PATCH] sheepdog: fix savevm and loadvm
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This patch sets data to be sent to Sheepdog correctly and fixes savevm
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and loadvm operations on a Sheepdog image.
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Signed-off-by: MORITA Kazutaka <morita.kazutaka@lab.ntt.co.jp>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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(cherry picked from commit 1f7a48de4467f31afc51169122453318efdb0f33)
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Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
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---
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block/sheepdog.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/block/sheepdog.c b/block/sheepdog.c
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index df4f441..e0753ee 100644
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--- a/block/sheepdog.c
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+++ b/block/sheepdog.c
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@@ -1986,7 +1986,7 @@ static int do_load_save_vmstate(BDRVSheepdogState *s, uint8_t *data,
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vdi_index = pos / SD_DATA_OBJ_SIZE;
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offset = pos % SD_DATA_OBJ_SIZE;
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- data_len = MIN(remaining, SD_DATA_OBJ_SIZE);
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+ data_len = MIN(remaining, SD_DATA_OBJ_SIZE - offset);
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vmstate_oid = vid_to_vmstate_oid(s->inode.vdi_id, vdi_index);
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@@ -2007,6 +2007,7 @@ static int do_load_save_vmstate(BDRVSheepdogState *s, uint8_t *data,
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}
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pos += data_len;
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+ data += data_len;
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remaining -= data_len;
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}
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ret = size;
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