From: Song Gao <gaosong@loongson.cn>
To: peter.maydell@linaro.org, mjt@tls.msk.ru
Cc: qemu-devel@nongnu.org, qemu-stable@nongnu.org,
richard.henderson@linaro.org, zhaotianrui@loongson.cn
Subject: [PATCH v2] hw/loongarch/virt: Fix memory leak
Date: Wed, 8 May 2024 10:30:31 +0800 [thread overview]
Message-ID: <20240508023031.3127531-1-gaosong@loongson.cn> (raw)
The char pointer 'ramName' point to a block of memory, but never free it.
Use a small fixed-size buffer for 'ramName'.
Resolves: Coverity CID 1544773
Fixes: 0cf1478d6 ("hw/loongarch: Add numa support")
Signed-off-by: Song Gao <gaosong@loongson.cn>
---
v2:
- Use a small fixed-size buffer for 'ramName'.
- Link to V1: https://patchew.org/QEMU/20240507022239.3113987-1-gaosong@loongson.cn/
hw/loongarch/virt.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/hw/loongarch/virt.c b/hw/loongarch/virt.c
index c0999878df..ee690ad981 100644
--- a/hw/loongarch/virt.c
+++ b/hw/loongarch/virt.c
@@ -887,7 +887,7 @@ static void loongarch_init(MachineState *machine)
const CPUArchIdList *possible_cpus;
MachineClass *mc = MACHINE_GET_CLASS(machine);
CPUState *cpu;
- char *ramName = NULL;
+ char ramName[32];
if (!cpu_model) {
cpu_model = LOONGARCH_CPU_TYPE_NAME("la464");
@@ -946,7 +946,7 @@ static void loongarch_init(MachineState *machine)
for (i = 1; i < nb_numa_nodes; i++) {
MemoryRegion *nodemem = g_new(MemoryRegion, 1);
- ramName = g_strdup_printf("loongarch.node%d.ram", i);
+ sprintf(ramName, "loongarch.node%d.ram", i);
memory_region_init_alias(nodemem, NULL, ramName, machine->ram,
offset, numa_info[i].node_mem);
memory_region_add_subregion(address_space_mem, phyAddr, nodemem);
--
2.25.1
next reply other threads:[~2024-05-08 2:31 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-05-08 2:30 Song Gao [this message]
2024-05-08 13:02 ` [PATCH v2] hw/loongarch/virt: Fix memory leak Peter Maydell
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