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Fix bug in copying packet with static data pointer.

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--HG--
extra : convert_revision : 2fcf99f050d73e007433c1db2475f2893c5961a0
This commit is contained in:
Steve Reinhardt 2007-07-14 13:14:53 -07:00
parent 288f9cf7d2
commit 3b4ff75939
1 changed files with 7 additions and 6 deletions
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13
src/mem/packet.hh
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@ -368,14 +368,15 @@ class Packet : public FastAlloc
}
/** Alternate constructor for copying a packet. Copy all fields
* *except* set data allocation as static... even if the original
* packet's data was dynamic, we don't want to free it when the
* new packet is deallocated. Note that if original packet used
* dynamic data, user must guarantee that the new packet's
* lifetime is less than that of the original packet. */
* *except* if the original packet's data was dynamic, don't copy
* that, as we can't guarantee that the new packet's lifetime is
* less than that of the original packet. In this case the new
* packet should allocate its own data. */
Packet(Packet *origPkt)
: cmd(origPkt->cmd), req(origPkt->req),
data(NULL), staticData(false), dynamicData(false), arrayData(false),
data(origPkt->staticData ? origPkt->data : NULL),
staticData(origPkt->staticData),
dynamicData(false), arrayData(false),
addr(origPkt->addr), size(origPkt->size),
src(origPkt->src), dest(origPkt->dest),
addrSizeValid(origPkt->addrSizeValid),