RE: [PATCH 0/3]hw: Fixs memleak of fdevice tree blob

[Chenqun (kuhn)]

>-----Original Message-----
>From: Chenqun (kuhn)
>Sent: Tuesday, February 18, 2020 5:12 PM
>To: address@hidden; address@hidden; address@hidden;
>address@hidden; address@hidden; address@hidden;
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>Cc: Zhanghailiang <address@hidden>; qemu-
>address@hidden; address@hidden; Pannengyuan
><address@hidden>; Chenqun (kuhn)
><address@hidden>
>Subject: [PATCH 0/3]hw: Fixs memleak of fdevice tree blob
>
>From: Chen Qun <address@hidden>
>
Hi all, after reviewing various patches from Pan Nengyuan fix ppc-e500
fdt memleaks, I search for related content and found Paolo Bonzini's
similarly patchs. (sorry, this description is missing here because of this 
patch format.)

>The device tree blob returned by load_device_tree is malloced.
>We should free it after cpu_physical_memory_write().Otherwise,
>if we repeatedly call 'system_reset',it will repeatedly load fdt, so there are
>many memleaks.
>
>Paolo Bonzini :
>https://lists.gnu.org/archive/html/qemu-devel/2019-10/msg00129.html
>
>Pan Nengyuan:
>https://lists.gnu.org/archive/html/qemu-devel/2020-02/msg03594.html
>
>After searching the device code, I found three similar issues.
>This series fixes the last three.
>
>Chen Qun (3):
>  hw/nios2:fix leak of fdevice tree blob
>  hw/ppc/virtex_ml507:fix leak of fdevice tree blob
>  hw/xtensa/xtfpga:fix leak of fdevice tree blob
>
> hw/nios2/boot.c       | 1 +
> hw/ppc/virtex_ml507.c | 1 +
> hw/xtensa/xtfpga.c    | 1 +
> 3 files changed, 3 insertions(+)
>
>--
>2.23.0
>