hw: Fix qemu_allocate_irqs() leaks

Replace qemu_allocate_irqs(foo, bar, 1)[0]
with qemu_allocate_irq(foo, bar, 0).

This avoids leaking the dereferenced qemu_irq *.

Cc: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
[PC Changes:
 * Applied change to instance in sh4/sh7750.c
]
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Kirill Batuzov <batuzovk@ispras.ru>
[AF: Fix IRQ index in sh4/sh7750.c]
Cc: qemu-stable@nongnu.org
Signed-off-by: Andreas Färber <afaerber@suse.de>

1 files changed, 2 insertions, 2 deletions

diff --git a/hw/core/irq.c b/hw/core/irq.c
index 03c8cb31ea..3d284c6482 100644
--- a/hw/core/irq.c
+++ b/hw/core/irq.c
@@ -102,7 +102,7 @@ qemu_irq qemu_irq_invert(qemu_irq irq)
 {
     /* The default state for IRQs is low, so raise the output now.  */
     qemu_irq_raise(irq);
-    return qemu_allocate_irqs(qemu_notirq, irq, 1)[0];
+    return qemu_allocate_irq(qemu_notirq, irq, 0);
 }
 
 static void qemu_splitirq(void *opaque, int line, int level)
@@ -117,7 +117,7 @@ qemu_irq qemu_irq_split(qemu_irq irq1, qemu_irq irq2)
     qemu_irq *s = g_malloc0(2 * sizeof(qemu_irq));
     s[0] = irq1;
     s[1] = irq2;
-    return qemu_allocate_irqs(qemu_splitirq, s, 1)[0];
+    return qemu_allocate_irq(qemu_splitirq, s, 0);
 }
 
 static void proxy_irq_handler(void *opaque, int n, int level)