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[PULL,2/4] s390x/cpu hotplug: Fix memory leak

Message ID 1395092307-42208-3-git-send-email-borntraeger@de.ibm.com
State New
Headers show

Commit Message

Christian Borntraeger March 17, 2014, 9:38 p.m. UTC 
valgrind complains about the following:
==42117== 8 bytes in 1 blocks are definitely lost in loss record 88 of 833
==42117==    at 0x4031AFE: malloc (vg_replace_malloc.c:292)
==42117==    by 0x8022F855: malloc_and_trace (vl.c:2715)
==42117==    by 0x4145569: g_malloc (in /usr/lib64/libglib-2.0.so.0.3400.2)
==42117==    by 0x800F696D: qemu_extend_irqs (irq.c:51)
==42117==    by 0x800F6AF7: qemu_allocate_irqs (irq.c:68)
==42117==    by 0x8029FA4B: irq_cpu_hotplug_init (sclpcpu.c:84)
==42117==    by 0x80297C79: event_realize (event-facility.c:386)
==42117==    by 0x80105071: device_set_realized (qdev.c:693)
[...]

Right it is. Don't drop the pointer of the irq.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Jason J. Herne <jjherne@us.ibm.com>
---
 hw/s390x/sclpcpu.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
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Patch

diff --git a/hw/s390x/sclpcpu.c b/hw/s390x/sclpcpu.c
index b9c238a..3600fe2 100644
--- a/hw/s390x/sclpcpu.c
+++ b/hw/s390x/sclpcpu.c
@@ -25,13 +25,13 @@  typedef struct ConfigMgtData {
     uint8_t event_qualifier;
 } QEMU_PACKED ConfigMgtData;
 
-static qemu_irq irq_cpu_hotplug; /* Only used in this file */
+static qemu_irq *irq_cpu_hotplug; /* Only used in this file */
 
 #define EVENT_QUAL_CPU_CHANGE  1
 
 void raise_irq_cpu_hotplug(void)
 {
-    qemu_irq_raise(irq_cpu_hotplug);
+    qemu_irq_raise(*irq_cpu_hotplug);
 }
 
 static unsigned int send_mask(void)
@@ -81,7 +81,7 @@  static void trigger_signal(void *opaque, int n, int level)
 
 static int irq_cpu_hotplug_init(SCLPEvent *event)
 {
-    irq_cpu_hotplug = *qemu_allocate_irqs(trigger_signal, event, 1);
+    irq_cpu_hotplug = qemu_allocate_irqs(trigger_signal, event, 1);
     return 0;
 }