Am 25. September 2024 15:35:15 UTC schrieb "Cédric Le Goater" <c...@redhat.com>:
>On 9/23/24 11:29, Bernhard Beschow wrote:
>> The struct is allocated once with g_new0() but never free()'d. Fix the 
>> leakage
>> by adding an attribute to struct PPCE500MachineState which avoids the
>> allocation.
>> 
>> Signed-off-by: Bernhard Beschow <shen...@gmail.com>
>> ---
>>   hw/ppc/e500.h |  8 ++++++++
>>   hw/ppc/e500.c | 17 ++++-------------
>>   2 files changed, 12 insertions(+), 13 deletions(-)
>> 
>> diff --git a/hw/ppc/e500.h b/hw/ppc/e500.h
>> index 8c09ef92e4..557ce6ad93 100644
>> --- a/hw/ppc/e500.h
>> +++ b/hw/ppc/e500.h
>> @@ -5,10 +5,18 @@
>>   #include "hw/platform-bus.h"
>>   #include "qom/object.h"
>>   +typedef struct boot_info {
>> +    uint32_t dt_base;
>> +    uint32_t dt_size;
>> +    uint32_t entry;
>> +} boot_info;
>
>or simply move the fields under the machine state struct to avoif
>the struct boot_info which doesn't seem that necessary. Is it ?

Yes, this works. Good idea.

Best regards,
Bernhard

>
>
>Thanks,
>
>C.
>
>
>
>> +
>>   struct PPCE500MachineState {
>>       /*< private >*/
>>       MachineState parent_obj;
>>   +    boot_info boot_info;
>> +
>>       /* points to instance of TYPE_PLATFORM_BUS_DEVICE if
>>        * board supports dynamic sysbus devices
>>        */
>> diff --git a/hw/ppc/e500.c b/hw/ppc/e500.c
>> index 3bd12b54ab..75b051009f 100644
>> --- a/hw/ppc/e500.c
>> +++ b/hw/ppc/e500.c
>> @@ -80,13 +80,6 @@
>>     #define PLATFORM_CLK_FREQ_HZ       (400 * 1000 * 1000)
>>   -struct boot_info
>> -{
>> -    uint32_t dt_base;
>> -    uint32_t dt_size;
>> -    uint32_t entry;
>> -};
>> -
>>   static uint32_t *pci_map_create(void *fdt, uint32_t mpic, int first_slot,
>>                                   int nr_slots, int *len)
>>   {
>> @@ -919,7 +912,6 @@ void ppce500_init(MachineState *machine)
>>       bool kernel_as_payload;
>>       hwaddr bios_entry = 0;
>>       target_long payload_size;
>> -    struct boot_info *boot_info = NULL;
>>       int dt_size;
>>       int i;
>>       unsigned int smp_cpus = machine->smp.cpus;
>> @@ -974,9 +966,8 @@ void ppce500_init(MachineState *machine)
>>           /* Register reset handler */
>>           if (!i) {
>>               /* Primary CPU */
>> -            boot_info = g_new0(struct boot_info, 1);
>>               qemu_register_reset(ppce500_cpu_reset, cpu);
>> -            env->load_info = boot_info;
>> +            env->load_info = &pms->boot_info;
>>           } else {
>>               /* Secondary CPUs */
>>               qemu_register_reset(ppce500_cpu_reset_sec, cpu);
>> @@ -1274,9 +1265,9 @@ void ppce500_init(MachineState *machine)
>>       }
>>       assert(dt_size < DTB_MAX_SIZE);
>>   -    boot_info->entry = bios_entry;
>> -    boot_info->dt_base = dt_base;
>> -    boot_info->dt_size = dt_size;
>> +    pms->boot_info.entry = bios_entry;
>> +    pms->boot_info.dt_base = dt_base;
>> +    pms->boot_info.dt_size = dt_size;
>>   }
>>     static void e500_ccsr_initfn(Object *obj)
>

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