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target-tricore: check return value before using it

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We reference the return value of cpu before checking whether it is NULL,
The checking code is after that which violates code style.

It makes no difference if the cpu is NULL, qemu process will terminate.
But one will be 'Segmentation fault' and the other will report a error
which is what we want.

Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
zhanghailiang 2014-10-30 10:03:28 +08:00 • committed by Michael Tokarev
parent 44d8d2b2dd
commit 8ef2b256b9
1 changed files with 1 additions and 1 deletions
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2
hw/tricore/tricore_testboard.c
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@ -71,11 +71,11 @@ static void tricore_testboard_init(MachineState *machine, int board_id)
machine->cpu_model = "tc1796";
}
cpu = cpu_tricore_init(machine->cpu_model);
env = &cpu->env;
if (!cpu) {
error_report("Unable to find CPU definition");
exit(1);
}
env = &cpu->env;
memory_region_init_ram(ext_cram, NULL, "powerlink_ext_c.ram", 2*1024*1024, &error_abort);
vmstate_register_ram_global(ext_cram);
memory_region_init_ram(ext_dram, NULL, "powerlink_ext_d.ram", 4*1024*1024, &error_abort);