diff mbox

[10/29] hw/sparc/sun4m.c: Fix memory leak spotted by valgrind

Message ID 1432814932-12608-11-git-send-email-zhaoshenglong@huawei.com
State New
Headers show

Commit Message

Shannon Zhao May 28, 2015, 12:08 p.m. UTC 
From: Shannon Zhao <shannon.zhao@linaro.org>

valgrind complains about:
==23693== 8 bytes in 1 blocks are definitely lost in loss record 424 of 2,014
==23693==    at 0x4C2845D: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==23693==    by 0x21B93F: malloc_and_trace (vl.c:2556)
==23693==    by 0x64C770E: g_malloc (in /usr/lib64/libglib-2.0.so.0.3600.3)
==23693==    by 0x2700DF: qemu_extend_irqs (irq.c:55)
==23693==    by 0x27016B: qemu_allocate_irqs (irq.c:64)
==23693==    by 0x1EC7DE: sun4m_hw_init (sun4m.c:1027)
==23693==    by 0x1ECE17: ss5_init (sun4m.c:1374)
==23693==    by 0x21FD0A: main (vl.c:4249)
==23693==
==23693==    at 0x4C2845D: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==23693==    by 0x21B93F: malloc_and_trace (vl.c:2556)
==23693==    by 0x64C770E: g_malloc (in /usr/lib64/libglib-2.0.so.0.3600.3)
==23693==    by 0x2700DF: qemu_extend_irqs (irq.c:55)
==23693==    by 0x27016B: qemu_allocate_irqs (irq.c:64)
==23693==    by 0x1EC074: cpu_devinit (sun4m.c:882)
==23693==    by 0x1EC13A: sun4m_hw_init (sun4m.c:911)
==23693==    by 0x1ECE17: ss5_init (sun4m.c:1374)
==23693==    by 0x21FD0A: main (vl.c:4249)
==23693==
==23693== 1,920 bytes in 15 blocks are definitely lost in loss record 1,952 of 2,014
==23693==    at 0x4C2845D: malloc (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so)
==23693==    by 0x21B93F: malloc_and_trace (vl.c:2556)
==23693==    by 0x64C770E: g_malloc (in /usr/lib64/libglib-2.0.so.0.3600.3)
==23693==    by 0x2700DF: qemu_extend_irqs (irq.c:55)
==23693==    by 0x27016B: qemu_allocate_irqs (irq.c:64)
==23693==    by 0x1EC179: sun4m_hw_init (sun4m.c:915)
==23693==    by 0x1ECE17: ss5_init (sun4m.c:1374)
==23693==    by 0x21FD0A: main (vl.c:4249)

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
---
 hw/sparc/sun4m.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index a69bf2d..3d5707b 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -897,7 +897,6 @@  static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
         espdma_irq, ledma_irq;
     qemu_irq esp_reset, dma_enable;
     qemu_irq fdc_tc;
-    qemu_irq *cpu_halt;
     unsigned long kernel_size;
     DriveInfo *fd[MAX_FD];
     FWCfgState *fw_cfg;
@@ -928,6 +927,10 @@  static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
                                        hwdef->intctl_base + 0x10000ULL,
                                        cpu_irqs);
 
+    for (i = 0; i < MAX_CPUS; i++) {
+        g_free(cpu_irqs[i]);
+    }
+
     for (i = 0; i < 32; i++) {
         slavio_irq[i] = qdev_get_gpio_in(slavio_intctl, i);
     }
@@ -1024,9 +1027,8 @@  static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
     escc_init(hwdef->serial_base, slavio_irq[15], slavio_irq[15],
               serial_hds[0], serial_hds[1], ESCC_CLOCK, 1);
 
-    cpu_halt = qemu_allocate_irqs(cpu_halt_signal, NULL, 1);
     if (hwdef->apc_base) {
-        apc_init(hwdef->apc_base, cpu_halt[0]);
+        apc_init(hwdef->apc_base, qemu_allocate_irq(cpu_halt_signal, NULL, 0));
     }
 
     if (hwdef->fd_base) {
@@ -1036,7 +1038,7 @@  static void sun4m_hw_init(const struct sun4m_hwdef *hwdef,
         sun4m_fdctrl_init(slavio_irq[22], hwdef->fd_base, fd,
                           &fdc_tc);
     } else {
-        fdc_tc = *qemu_allocate_irqs(dummy_fdc_tc, NULL, 1);
+        fdc_tc = qemu_allocate_irq(dummy_fdc_tc, NULL, 0);
     }
 
     slavio_misc_init(hwdef->slavio_base, hwdef->aux1_base, hwdef->aux2_base,