char: rename CharDriverState Chardev

Pick a uniform chardev type name.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

32 files changed, 48 insertions, 48 deletions

diff --git a/hw/arm/fsl-imx25.c b/hw/arm/fsl-imx25.c
index 7bb7be76..2126f73 100644
--- a/hw/arm/fsl-imx25.c
+++ b/hw/arm/fsl-imx25.c
@@ -118,7 +118,7 @@ static void fsl_imx25_realize(DeviceState *dev, Error **errp)
         };
 
         if (i < MAX_SERIAL_PORTS) {
-            CharDriverState *chr;
+            Chardev *chr;
 
             chr = serial_hds[i];
 
diff --git a/hw/arm/fsl-imx31.c b/hw/arm/fsl-imx31.c
index f23672b..dd1c713 100644
--- a/hw/arm/fsl-imx31.c
+++ b/hw/arm/fsl-imx31.c
@@ -107,7 +107,7 @@ static void fsl_imx31_realize(DeviceState *dev, Error **errp)
         };
 
         if (i < MAX_SERIAL_PORTS) {
-            CharDriverState *chr;
+            Chardev *chr;
 
             chr = serial_hds[i];
 
diff --git a/hw/arm/fsl-imx6.c b/hw/arm/fsl-imx6.c
index e93532f..76dd8a4 100644
--- a/hw/arm/fsl-imx6.c
+++ b/hw/arm/fsl-imx6.c
@@ -187,7 +187,7 @@ static void fsl_imx6_realize(DeviceState *dev, Error **errp)
         };
 
         if (i < MAX_SERIAL_PORTS) {
-            CharDriverState *chr;
+            Chardev *chr;
 
             chr = serial_hds[i];
 
diff --git a/hw/arm/nseries.c b/hw/arm/nseries.c
index c86cf80..503a3b6 100644
--- a/hw/arm/nseries.c
+++ b/hw/arm/nseries.c
@@ -786,7 +786,7 @@ static void n8x0_cbus_setup(struct n800_s *s)
 
 static void n8x0_uart_setup(struct n800_s *s)
 {
-    CharDriverState *radio = uart_hci_init();
+    Chardev *radio = uart_hci_init();
 
     qdev_connect_gpio_out(s->mpu->gpio, N8X0_BT_RESET_GPIO,
                     csrhci_pins_get(radio)[csrhci_pin_reset]);
diff --git a/hw/arm/omap2.c b/hw/arm/omap2.c
index 6f05c98..cf1b4ba 100644
--- a/hw/arm/omap2.c
+++ b/hw/arm/omap2.c
@@ -792,7 +792,7 @@ static const MemoryRegionOps omap_sti_fifo_ops = {
 static struct omap_sti_s *omap_sti_init(struct omap_target_agent_s *ta,
                 MemoryRegion *sysmem,
                 hwaddr channel_base, qemu_irq irq, omap_clk clk,
-                CharDriverState *chr)
+                Chardev *chr)
 {
     struct omap_sti_s *s = g_new0(struct omap_sti_s, 1);
 
diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index d31b457..cfee392 100644
--- a/hw/arm/pxa2xx.c
+++ b/hw/arm/pxa2xx.c
@@ -2024,7 +2024,7 @@ static PXA2xxFIrState *pxa2xx_fir_init(MemoryRegion *sysmem,
                                        hwaddr base,
                                        qemu_irq irq, qemu_irq rx_dma,
                                        qemu_irq tx_dma,
-                                       CharDriverState *chr)
+                                       Chardev *chr)
 {
     DeviceState *dev;
     SysBusDevice *sbd;
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 6c9e898..1f216cf 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -613,7 +613,7 @@ static void create_gic(VirtMachineState *vms, qemu_irq *pic)
 }
 
 static void create_uart(const VirtMachineState *vms, qemu_irq *pic, int uart,
-                        MemoryRegion *mem, CharDriverState *chr)
+                        MemoryRegion *mem, Chardev *chr)
 {
     char *nodename;
     hwaddr base = vms->memmap[uart].base;
diff --git a/hw/bt/hci-csr.c b/hw/bt/hci-csr.c
index e2c78b8..153ed2f 100644
--- a/hw/bt/hci-csr.c
+++ b/hw/bt/hci-csr.c
@@ -29,7 +29,7 @@
 #include "qapi/error.h"
 
 struct csrhci_s {
-    CharDriverState parent;
+    Chardev parent;
     int enable;
     qemu_irq *pins;
     int pin_state;
@@ -79,7 +79,7 @@ enum {
 
 static inline void csrhci_fifo_wake(struct csrhci_s *s)
 {
-    CharDriverState *chr = (CharDriverState *)s;
+    Chardev *chr = (Chardev *)s;
     CharBackend *be = chr->be;
 
     if (!s->enable || !s->out_len)
@@ -313,7 +313,7 @@ static void csrhci_ready_for_next_inpkt(struct csrhci_s *s)
     s->in_hdr = INT_MAX;
 }
 
-static int csrhci_write(struct CharDriverState *chr,
+static int csrhci_write(struct Chardev *chr,
                 const uint8_t *buf, int len)
 {
     struct csrhci_s *s = (struct csrhci_s *)chr;
@@ -386,7 +386,7 @@ static void csrhci_out_hci_packet_acl(void *opaque,
     csrhci_fifo_wake(s);
 }
 
-static int csrhci_ioctl(struct CharDriverState *chr, int cmd, void *arg)
+static int csrhci_ioctl(struct Chardev *chr, int cmd, void *arg)
 {
     QEMUSerialSetParams *ssp;
     struct csrhci_s *s = (struct csrhci_s *) chr;
@@ -455,14 +455,14 @@ static void csrhci_pins(void *opaque, int line, int level)
     }
 }
 
-qemu_irq *csrhci_pins_get(CharDriverState *chr)
+qemu_irq *csrhci_pins_get(Chardev *chr)
 {
     struct csrhci_s *s = (struct csrhci_s *) chr;
 
     return s->pins;
 }
 
-CharDriverState *uart_hci_init(void)
+Chardev *uart_hci_init(void)
 {
     static const CharDriver hci_driver = {
         .instance_size = sizeof(struct csrhci_s),
@@ -472,7 +472,7 @@ CharDriverState *uart_hci_init(void)
     };
     Error *err = NULL;
     ChardevCommon common = { 0, };
-    CharDriverState *chr = qemu_chr_alloc(&hci_driver, &common, &err);
+    Chardev *chr = qemu_chr_alloc(&hci_driver, &common, &err);
     struct csrhci_s *s = (struct csrhci_s *)chr;
 
     if (err) {
diff --git a/hw/char/escc.c b/hw/char/escc.c
index d6662dc..9228091 100644
--- a/hw/char/escc.c
+++ b/hw/char/escc.c
@@ -689,7 +689,7 @@ static const VMStateDescription vmstate_escc = {
 };
 
 MemoryRegion *escc_init(hwaddr base, qemu_irq irqA, qemu_irq irqB,
-              CharDriverState *chrA, CharDriverState *chrB,
+              Chardev *chrA, Chardev *chrB,
               int clock, int it_shift)
 {
     DeviceState *dev;
diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c
index 820d1ab..565b27e 100644
--- a/hw/char/exynos4210_uart.c
+++ b/hw/char/exynos4210_uart.c
@@ -586,7 +586,7 @@ static const VMStateDescription vmstate_exynos4210_uart = {
 DeviceState *exynos4210_uart_create(hwaddr addr,
                                     int fifo_size,
                                     int channel,
-                                    CharDriverState *chr,
+                                    Chardev *chr,
                                     qemu_irq irq)
 {
     DeviceState  *dev;
diff --git a/hw/char/imx_serial.c b/hw/char/imx_serial.c
index 99545fc..52e67f8 100644
--- a/hw/char/imx_serial.c
+++ b/hw/char/imx_serial.c
@@ -170,7 +170,7 @@ static void imx_serial_write(void *opaque, hwaddr offset,
                              uint64_t value, unsigned size)
 {
     IMXSerialState *s = (IMXSerialState *)opaque;
-    CharDriverState *chr = qemu_chr_fe_get_driver(&s->chr);
+    Chardev *chr = qemu_chr_fe_get_driver(&s->chr);
     unsigned char ch;
 
     DPRINTF("write(offset=0x%" HWADDR_PRIx ", value = 0x%x) to %s\n",
diff --git a/hw/char/mcf_uart.c b/hw/char/mcf_uart.c
index ecaa091..80c380e 100644
--- a/hw/char/mcf_uart.c
+++ b/hw/char/mcf_uart.c
@@ -275,7 +275,7 @@ static void mcf_uart_receive(void *opaque, const uint8_t *buf, int size)
     mcf_uart_push_byte(s, buf[0]);
 }
 
-void *mcf_uart_init(qemu_irq irq, CharDriverState *chr)
+void *mcf_uart_init(qemu_irq irq, Chardev *chr)
 {
     mcf_uart_state *s;
 
@@ -300,7 +300,7 @@ static const MemoryRegionOps mcf_uart_ops = {
 void mcf_uart_mm_init(MemoryRegion *sysmem,
                       hwaddr base,
                       qemu_irq irq,
-                      CharDriverState *chr)
+                      Chardev *chr)
 {
     mcf_uart_state *s;
 
diff --git a/hw/char/omap_uart.c b/hw/char/omap_uart.c
index 893ab10..31ebb15 100644
--- a/hw/char/omap_uart.c
+++ b/hw/char/omap_uart.c
@@ -54,7 +54,7 @@ void omap_uart_reset(struct omap_uart_s *s)
 struct omap_uart_s *omap_uart_init(hwaddr base,
                 qemu_irq irq, omap_clk fclk, omap_clk iclk,
                 qemu_irq txdma, qemu_irq rxdma,
-                const char *label, CharDriverState *chr)
+                const char *label, Chardev *chr)
 {
     struct omap_uart_s *s = g_new0(struct omap_uart_s, 1);
 
@@ -163,7 +163,7 @@ struct omap_uart_s *omap2_uart_init(MemoryRegion *sysmem,
                 struct omap_target_agent_s *ta,
                 qemu_irq irq, omap_clk fclk, omap_clk iclk,
                 qemu_irq txdma, qemu_irq rxdma,
-                const char *label, CharDriverState *chr)
+                const char *label, Chardev *chr)
 {
     hwaddr base = omap_l4_attach(ta, 0, NULL);
     struct omap_uart_s *s = omap_uart_init(base, irq,
@@ -178,7 +178,7 @@ struct omap_uart_s *omap2_uart_init(MemoryRegion *sysmem,
     return s;
 }
 
-void omap_uart_attach(struct omap_uart_s *s, CharDriverState *chr)
+void omap_uart_attach(struct omap_uart_s *s, Chardev *chr)
 {
     /* TODO: Should reuse or destroy current s->serial */
     s->serial = serial_mm_init(get_system_memory(), s->base, 2, s->irq,
diff --git a/hw/char/parallel.c b/hw/char/parallel.c
index f2d5666..c71a4a0 100644
--- a/hw/char/parallel.c
+++ b/hw/char/parallel.c
@@ -603,7 +603,7 @@ static const MemoryRegionOps parallel_mm_ops = {
 /* If fd is zero, it means that the parallel device uses the console */
 bool parallel_mm_init(MemoryRegion *address_space,
                       hwaddr base, int it_shift, qemu_irq irq,
-                      CharDriverState *chr)
+                      Chardev *chr)
 {
     ParallelState *s;
 
diff --git a/hw/char/serial-isa.c b/hw/char/serial-isa.c
index 54d3a12..d7c5cc1 100644
--- a/hw/char/serial-isa.c
+++ b/hw/char/serial-isa.c
@@ -121,7 +121,7 @@ static void serial_register_types(void)
 
 type_init(serial_register_types)
 
-static void serial_isa_init(ISABus *bus, int index, CharDriverState *chr)
+static void serial_isa_init(ISABus *bus, int index, Chardev *chr)
 {
     DeviceState *dev;
     ISADevice *isadev;
diff --git a/hw/char/serial.c b/hw/char/serial.c
index 67b18ed..03d890c 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -937,7 +937,7 @@ const MemoryRegionOps serial_io_ops = {
 };
 
 SerialState *serial_init(int base, qemu_irq irq, int baudbase,
-                         CharDriverState *chr, MemoryRegion *system_io)
+                         Chardev *chr, MemoryRegion *system_io)
 {
     SerialState *s;
 
@@ -993,7 +993,7 @@ static const MemoryRegionOps serial_mm_ops[3] = {
 SerialState *serial_mm_init(MemoryRegion *address_space,
                             hwaddr base, int it_shift,
                             qemu_irq irq, int baudbase,
-                            CharDriverState *chr, enum device_endian end)
+                            Chardev *chr, enum device_endian end)
 {
     SerialState *s;
 
diff --git a/hw/char/sh_serial.c b/hw/char/sh_serial.c
index 9d35564..303eb0a 100644
--- a/hw/char/sh_serial.c
+++ b/hw/char/sh_serial.c
@@ -356,7 +356,7 @@ static const MemoryRegionOps sh_serial_ops = {
 
 void sh_serial_init(MemoryRegion *sysmem,
                     hwaddr base, int feat,
-                    uint32_t freq, CharDriverState *chr,
+                    uint32_t freq, Chardev *chr,
                     qemu_irq eri_source,
                     qemu_irq rxi_source,
                     qemu_irq txi_source,
diff --git a/hw/char/spapr_vty.c b/hw/char/spapr_vty.c
index 7c22b8b..e30c8da 100644
--- a/hw/char/spapr_vty.c
+++ b/hw/char/spapr_vty.c
@@ -141,7 +141,7 @@ static target_ulong h_get_term_char(PowerPCCPU *cpu, sPAPRMachineState *spapr,
     return H_SUCCESS;
 }
 
-void spapr_vty_create(VIOsPAPRBus *bus, CharDriverState *chardev)
+void spapr_vty_create(VIOsPAPRBus *bus, Chardev *chardev)
 {
     DeviceState *dev;
 
diff --git a/hw/char/virtio-console.c b/hw/char/virtio-console.c
index 776205b..798d9b6 100644
--- a/hw/char/virtio-console.c
+++ b/hw/char/virtio-console.c
@@ -168,7 +168,7 @@ static void virtconsole_realize(DeviceState *dev, Error **errp)
     VirtIOSerialPort *port = VIRTIO_SERIAL_PORT(dev);
     VirtConsole *vcon = VIRTIO_CONSOLE(dev);
     VirtIOSerialPortClass *k = VIRTIO_SERIAL_PORT_GET_CLASS(dev);
-    CharDriverState *chr = qemu_chr_fe_get_driver(&vcon->chr);
+    Chardev *chr = qemu_chr_fe_get_driver(&vcon->chr);
 
     if (port->id == 0 && !k->is_console) {
         error_setg(errp, "Port number 0 on virtio-serial devices reserved "
diff --git a/hw/core/qdev-properties-system.c b/hw/core/qdev-properties-system.c
index 1b7ea50..94f4d8b 100644
--- a/hw/core/qdev-properties-system.c
+++ b/hw/core/qdev-properties-system.c
@@ -179,7 +179,7 @@ static void set_chr(Object *obj, Visitor *v, const char *name, void *opaque,
     Error *local_err = NULL;
     Property *prop = opaque;
     CharBackend *be = qdev_get_prop_ptr(dev, prop);
-    CharDriverState *s;
+    Chardev *s;
     char *str;
 
     if (dev->realized) {
@@ -411,7 +411,7 @@ void qdev_prop_set_drive(DeviceState *dev, const char *name,
 }
 
 void qdev_prop_set_chr(DeviceState *dev, const char *name,
-                       CharDriverState *value)
+                       Chardev *value)
 {
     assert(!value || value->label);
     object_property_set_str(OBJECT(dev),
diff --git a/hw/display/milkymist-tmu2.c b/hw/display/milkymist-tmu2.c
index 920374b..7528665 100644
--- a/hw/display/milkymist-tmu2.c
+++ b/hw/display/milkymist-tmu2.c
@@ -85,7 +85,7 @@ struct MilkymistTMU2State {
     SysBusDevice parent_obj;
 
     MemoryRegion regs_region;
-    CharDriverState *chr;
+    Chardev *chr;
     qemu_irq irq;
 
     uint32_t regs[R_MAX];
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 5f71012..040a0b9 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -1392,7 +1392,7 @@ static const GraphicHwOps sm501_ops = {
 };
 
 void sm501_init(MemoryRegion *address_space_mem, uint32_t base,
-                uint32_t local_mem_bytes, qemu_irq irq, CharDriverState *chr)
+                uint32_t local_mem_bytes, qemu_irq irq, Chardev *chr)
 {
     SM501State * s;
     DeviceState *dev;
diff --git a/hw/isa/isa-bus.c b/hw/isa/isa-bus.c
index 0ffbc8d..348e0ea 100644
--- a/hw/isa/isa-bus.c
+++ b/hw/isa/isa-bus.c
@@ -288,7 +288,7 @@ MemoryRegion *isa_address_space_io(ISADevice *dev)
 
 type_init(isabus_register_types)
 
-static void parallel_init(ISABus *bus, int index, CharDriverState *chr)
+static void parallel_init(ISABus *bus, int index, Chardev *chr)
 {
     DeviceState *dev;
     ISADevice *isadev;
diff --git a/hw/isa/pc87312.c b/hw/isa/pc87312.c
index b1c1a0a..c707d24 100644
--- a/hw/isa/pc87312.c
+++ b/hw/isa/pc87312.c
@@ -268,7 +268,7 @@ static void pc87312_realize(DeviceState *dev, Error **errp)
     DeviceState *d;
     ISADevice *isa;
     ISABus *bus;
-    CharDriverState *chr;
+    Chardev *chr;
     DriveInfo *drive;
     char name[5];
     int i;
diff --git a/hw/lm32/lm32.h b/hw/lm32/lm32.h
index db9eb29..d1514a6 100644
--- a/hw/lm32/lm32.h
+++ b/hw/lm32/lm32.h
@@ -16,7 +16,7 @@ static inline DeviceState *lm32_pic_init(qemu_irq cpu_irq)
     return dev;
 }
 
-static inline DeviceState *lm32_juart_init(CharDriverState *chr)
+static inline DeviceState *lm32_juart_init(Chardev *chr)
 {
     DeviceState *dev;
 
@@ -29,7 +29,7 @@ static inline DeviceState *lm32_juart_init(CharDriverState *chr)
 
 static inline DeviceState *lm32_uart_create(hwaddr addr,
                                             qemu_irq irq,
-                                            CharDriverState *chr)
+                                            Chardev *chr)
 {
     DeviceState *dev;
     SysBusDevice *s;
diff --git a/hw/lm32/milkymist-hw.h b/hw/lm32/milkymist-hw.h
index 4418b44..d3be0cf 100644
--- a/hw/lm32/milkymist-hw.h
+++ b/hw/lm32/milkymist-hw.h
@@ -6,7 +6,7 @@
 
 static inline DeviceState *milkymist_uart_create(hwaddr base,
                                                  qemu_irq irq,
-                                                 CharDriverState *chr)
+                                                 Chardev *chr)
 {
     DeviceState *dev;
 
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index cf48f42..75877de 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -551,10 +551,10 @@ static void malta_fgpa_display_event(void *opaque, int event)
 }
 
 static MaltaFPGAState *malta_fpga_init(MemoryRegion *address_space,
-         hwaddr base, qemu_irq uart_irq, CharDriverState *uart_chr)
+         hwaddr base, qemu_irq uart_irq, Chardev *uart_chr)
 {
     MaltaFPGAState *s;
-    CharDriverState *chr;
+    Chardev *chr;
 
     s = (MaltaFPGAState *)g_malloc0(sizeof(MaltaFPGAState));
 
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index fd14d7a..846e903 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -869,7 +869,7 @@ static void ivshmem_common_realize(PCIDevice *dev, Error **errp)
         s->ivshmem_bar2 = host_memory_backend_get_memory(s->hostmem,
                                                          &error_abort);
     } else {
-        CharDriverState *chr = qemu_chr_fe_get_driver(&s->server_chr);
+        Chardev *chr = qemu_chr_fe_get_driver(&s->server_chr);
         assert(chr);
 
         IVSHMEM_DPRINTF("using shared memory server (socket = %s)\n",
diff --git a/hw/misc/milkymist-pfpu.c b/hw/misc/milkymist-pfpu.c
index 3ca2589..86f5e38 100644
--- a/hw/misc/milkymist-pfpu.c
+++ b/hw/misc/milkymist-pfpu.c
@@ -125,7 +125,7 @@ struct MilkymistPFPUState {
     SysBusDevice parent_obj;
 
     MemoryRegion regs_region;
-    CharDriverState *chr;
+    Chardev *chr;
     qemu_irq irq;
 
     uint32_t regs[R_MAX];
diff --git a/hw/usb/ccid-card-passthru.c b/hw/usb/ccid-card-passthru.c
index 88cb6d8..daab0d5 100644
--- a/hw/usb/ccid-card-passthru.c
+++ b/hw/usb/ccid-card-passthru.c
@@ -264,7 +264,7 @@ static void ccid_card_vscard_handle_message(PassthruState *card,
 
 static void ccid_card_vscard_drop_connection(PassthruState *card)
 {
-    CharDriverState *chr = qemu_chr_fe_get_driver(&card->cs);
+    Chardev *chr = qemu_chr_fe_get_driver(&card->cs);
 
     qemu_chr_fe_deinit(&card->cs);
     qemu_chr_delete(chr);
diff --git a/hw/usb/dev-serial.c b/hw/usb/dev-serial.c
index 6066d9b..6d51373 100644
--- a/hw/usb/dev-serial.c
+++ b/hw/usb/dev-serial.c
@@ -483,7 +483,7 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
 {
     USBSerialState *s = USB_SERIAL_DEV(dev);
     Error *local_err = NULL;
-    CharDriverState *chr = qemu_chr_fe_get_driver(&s->cs);
+    Chardev *chr = qemu_chr_fe_get_driver(&s->cs);
 
     usb_desc_create_serial(dev);
     usb_desc_init(dev);
@@ -512,7 +512,7 @@ static void usb_serial_realize(USBDevice *dev, Error **errp)
 static USBDevice *usb_serial_init(USBBus *bus, const char *filename)
 {
     USBDevice *dev;
-    CharDriverState *cdrv;
+    Chardev *cdrv;
     uint32_t vendorid = 0, productid = 0;
     char label[32];
     static int index;
@@ -564,7 +564,7 @@ static USBDevice *usb_serial_init(USBBus *bus, const char *filename)
 static USBDevice *usb_braille_init(USBBus *bus, const char *unused)
 {
     USBDevice *dev;
-    CharDriverState *cdrv;
+    Chardev *cdrv;
 
     cdrv = qemu_chr_new("braille", "braille");
     if (!cdrv)
diff --git a/hw/usb/redirect.c b/hw/usb/redirect.c
index 4a0ebbf..860f5c3 100644
--- a/hw/usb/redirect.c
+++ b/hw/usb/redirect.c
@@ -284,7 +284,7 @@ static gboolean usbredir_write_unblocked(GIOChannel *chan, GIOCondition cond,
 static int usbredir_write(void *priv, uint8_t *data, int count)
 {
     USBRedirDevice *dev = priv;
-    CharDriverState *chr = qemu_chr_fe_get_driver(&dev->cs);
+    Chardev *chr = qemu_chr_fe_get_driver(&dev->cs);
     int r;
 
     if (!chr->be_open) {
@@ -1430,7 +1430,7 @@ static void usbredir_cleanup_device_queues(USBRedirDevice *dev)
 static void usbredir_handle_destroy(USBDevice *udev)
 {
     USBRedirDevice *dev = USB_REDIRECT(udev);
-    CharDriverState *chr = qemu_chr_fe_get_driver(&dev->cs);
+    Chardev *chr = qemu_chr_fe_get_driver(&dev->cs);
 
     qemu_chr_fe_deinit(&dev->cs);
     qemu_chr_delete(chr);