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[PULL,02/20] hw/mips/loongson3_virt: Fix condition of IPI IOCSR connection

Message ID 20240819225116.17928-3-philmd@linaro.org
State New
Headers show
Series [PULL,01/20] hw/mips/loongson3_virt: Store core_iocsr into LoongsonMachineState | expand

Commit Message

Philippe Mathieu-Daudé Aug. 19, 2024, 10:50 p.m. UTC 
From: Jiaxun Yang <jiaxun.yang@flygoat.com>

>>>     CID 1547264:  Null pointer dereferences  (REVERSE_INULL)
>>>     Null-checking "ipi" suggests that it may be null, but it has already been dereferenced on all paths leading to the check.

Resolves: Coverity CID 1547264
Link: https://lore.kernel.org/qemu-devel/752417ad-ab72-4fed-8d1f-af41f15bc225@app.fastmail.com/
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240621-loongson3-ipi-follow-v2-2-848eafcbb67e@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 hw/mips/loongson3_virt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/hw/mips/loongson3_virt.c b/hw/mips/loongson3_virt.c
index 27a85e3614..2067b4fecb 100644
--- a/hw/mips/loongson3_virt.c
+++ b/hw/mips/loongson3_virt.c
@@ -574,7 +574,7 @@  static void mips_loongson3_virt_init(MachineState *machine)
         cpu_mips_clock_init(cpu);
         qemu_register_reset(main_cpu_reset, cpu);
 
-        if (ipi) {
+        if (!kvm_enabled()) {
             hwaddr base = ((hwaddr)node << 44) + virt_memmap[VIRT_IPI].base;
             base += core * 0x100;
             qdev_connect_gpio_out(ipi, i, cpu->env.irq[6]);