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From 6be48dc02a2906f7b88dc5b2751f19b530ec0f58 Mon Sep 17 00:00:00 2001
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From: Stefan Hajnoczi <stefanha@redhat.com>
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Date: Tue, 25 Mar 2014 14:23:43 +0100
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Subject: [PATCH 36/49] dmg: use appropriate types when reading chunks
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RH-Author: Kevin Wolf <kwolf@redhat.com>
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Message-id: <1395753835-7591-37-git-send-email-kwolf@redhat.com>
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Patchwork-id: n/a
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O-Subject: [virt-devel] [EMBARGOED RHEL-7.0 qemu-kvm PATCH 36/48] dmg: use appropriate types when reading chunks
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Bugzilla: 1066691
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RH-Acked-by: Jeff Cody <jcody@redhat.com>
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RH-Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
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RH-Acked-by: Paolo Bonzini <pbonzini@redhat.com>
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From: Stefan Hajnoczi <stefanha@redhat.com>
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Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1066691
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Upstream status: Series embargoed
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Use the right types instead of signed int:
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size_t new_size;
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This is a byte count for g_realloc() that is calculated from uint32_t
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and size_t values.
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uint32_t chunk_count;
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Use the same type as s->n_chunks, which is used together with
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chunk_count.
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This patch is a cleanup and does not fix bugs.
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Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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---
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block/dmg.c | 3 ++-
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1 files changed, 2 insertions(+), 1 deletions(-)
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diff --git a/block/dmg.c b/block/dmg.c
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index 1cc5426..f98c94d 100644
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--- a/block/dmg.c
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+++ b/block/dmg.c
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@@ -161,7 +161,8 @@ static int dmg_open(BlockDriverState *bs, QDict *options, int flags,
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}
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if (type == 0x6d697368 && count >= 244) {
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- int new_size, chunk_count;
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+ size_t new_size;
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+ uint32_t chunk_count;
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offset += 4;
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offset += 200;
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--
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1.7.1
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