These memory allocation functions return void *, and casting to
another pointer type is useless clutter. Drop these casts.
If you really want another pointer type, consider g_new().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
hw/arm/nseries.c | 4 ++--
hw/char/exynos4210_uart.c | 2 +-
hw/display/blizzard.c | 2 +-
hw/misc/cbus.c | 6 +++---
hw/nvram/eeprom93xx.c | 2 +-
hw/usb/ccid-card-emulated.c | 2 +-
target/i386/kvm/kvm.c | 3 +--
target/i386/whpx/whpx-all.c | 5 ++---
target/s390x/kvm/kvm.c | 2 +-
ui/vnc-enc-hextile.c | 4 ++--
10 files changed, 15 insertions(+), 17 deletions(-)
diff --git a/hw/arm/nseries.c b/hw/arm/nseries.c
index 692c94ceb4..b151113c27 100644
--- a/hw/arm/nseries.c
+++ b/hw/arm/nseries.c
@@ -702,7 +702,7 @@ static uint32_t mipid_txrx(void *opaque, uint32_t cmd, int len)
static void *mipid_init(void)
{
- struct mipid_s *s = (struct mipid_s *) g_malloc0(sizeof(*s));
+ struct mipid_s *s = g_malloc0(sizeof(*s));
s->id = 0x838f03;
mipid_reset(s);
@@ -1300,7 +1300,7 @@ static int n810_atag_setup(const struct arm_boot_info *info, void *p)
static void n8x0_init(MachineState *machine,
struct arm_boot_info *binfo, int model)
{
- struct n800_s *s = (struct n800_s *) g_malloc0(sizeof(*s));
+ struct n800_s *s = g_malloc0(sizeof(*s));
MachineClass *mc = MACHINE_GET_CLASS(machine);
if (machine->ram_size != mc->default_ram_size) {
diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c
index addcd59b02..7b7c56b6ef 100644
--- a/hw/char/exynos4210_uart.c
+++ b/hw/char/exynos4210_uart.c
@@ -211,7 +211,7 @@ static void fifo_reset(Exynos4210UartFIFO *q)
g_free(q->data);
q->data = NULL;
- q->data = (uint8_t *)g_malloc0(q->size);
+ q->data = g_malloc0(q->size);
q->sp = 0;
q->rp = 0;
diff --git a/hw/display/blizzard.c b/hw/display/blizzard.c
index 105241577d..ebe230dd0a 100644
--- a/hw/display/blizzard.c
+++ b/hw/display/blizzard.c
@@ -1007,7 +1007,7 @@ static const GraphicHwOps blizzard_ops = {
void *s1d13745_init(qemu_irq gpio_int)
{
- BlizzardState *s = (BlizzardState *) g_malloc0(sizeof(*s));
+ BlizzardState *s = g_malloc0(sizeof(*s));
DisplaySurface *surface;
s->fb = g_malloc(0x180000);
diff --git a/hw/misc/cbus.c b/hw/misc/cbus.c
index 3c3721ad2d..653e8ddcd5 100644
--- a/hw/misc/cbus.c
+++ b/hw/misc/cbus.c
@@ -133,7 +133,7 @@ static void cbus_sel(void *opaque, int line, int level)
CBus *cbus_init(qemu_irq dat)
{
- CBusPriv *s = (CBusPriv *) g_malloc0(sizeof(*s));
+ CBusPriv *s = g_malloc0(sizeof(*s));
s->dat_out = dat;
s->cbus.clk = qemu_allocate_irq(cbus_clk, s, 0);
@@ -388,7 +388,7 @@ static void retu_io(void *opaque, int rw, int reg, uint16_t *val)
void *retu_init(qemu_irq irq, int vilma)
{
- CBusRetu *s = (CBusRetu *) g_malloc0(sizeof(*s));
+ CBusRetu *s = g_malloc0(sizeof(*s));
s->irq = irq;
s->irqen = 0xffff;
@@ -604,7 +604,7 @@ static void tahvo_io(void *opaque, int rw, int reg, uint16_t *val)
void *tahvo_init(qemu_irq irq, int betty)
{
- CBusTahvo *s = (CBusTahvo *) g_malloc0(sizeof(*s));
+ CBusTahvo *s = g_malloc0(sizeof(*s));
s->irq = irq;
s->irqen = 0xffff;
diff --git a/hw/nvram/eeprom93xx.c b/hw/nvram/eeprom93xx.c
index a1b9c78844..1081e2cc0d 100644
--- a/hw/nvram/eeprom93xx.c
+++ b/hw/nvram/eeprom93xx.c
@@ -315,7 +315,7 @@ eeprom_t *eeprom93xx_new(DeviceState *dev, uint16_t nwords)
addrbits = 6;
}
- eeprom = (eeprom_t *)g_malloc0(sizeof(*eeprom) + nwords * 2);
+ eeprom = g_malloc0(sizeof(*eeprom) + nwords * 2);
eeprom->size = nwords;
eeprom->addrbits = addrbits;
/* Output DO is tristate, read results in 1. */
diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
index 1ddf7297f6..ee41a81801 100644
--- a/hw/usb/ccid-card-emulated.c
+++ b/hw/usb/ccid-card-emulated.c
@@ -140,7 +140,7 @@ static void emulated_apdu_from_guest(CCIDCardState *base,
const uint8_t *apdu, uint32_t len)
{
EmulatedState *card = EMULATED_CCID_CARD(base);
- EmulEvent *event = (EmulEvent *)g_malloc(sizeof(EmulEvent) + len);
+ EmulEvent *event = g_malloc(sizeof(EmulEvent) + len);
assert(event);
event->p.data.type = EMUL_GUEST_APDU;
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index a1fd1f5379..c8f4d500ea 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -2252,8 +2252,7 @@ static int kvm_get_supported_feature_msrs(KVMState *s)
}
assert(msr_list.nmsrs > 0);
- kvm_feature_msrs = (struct kvm_msr_list *) \
- g_malloc0(sizeof(msr_list) +
+ kvm_feature_msrs = g_malloc0(sizeof(msr_list) +
msr_list.nmsrs * sizeof(msr_list.indices[0]));
kvm_feature_msrs->nmsrs = msr_list.nmsrs;
diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c
index b22a3314b4..fbb728a36f 100644
--- a/target/i386/whpx/whpx-all.c
+++ b/target/i386/whpx/whpx-all.c
@@ -1164,9 +1164,8 @@ static void whpx_translate_cpu_breakpoints(
(breakpoints->breakpoints ? breakpoints->breakpoints->used : 0);
struct whpx_breakpoint_collection *new_breakpoints =
- (struct whpx_breakpoint_collection *)g_malloc0(
- sizeof(struct whpx_breakpoint_collection) +
- max_breakpoints * sizeof(struct whpx_breakpoint));
+ g_malloc0(sizeof(struct whpx_breakpoint_collection)
+ + max_breakpoints * sizeof(struct whpx_breakpoint));
new_breakpoints->allocated = max_breakpoints;
new_breakpoints->used = 0;
diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c
index 7bd8db0e7b..32d23fb617 100644
--- a/target/s390x/kvm/kvm.c
+++ b/target/s390x/kvm/kvm.c
@@ -1031,7 +1031,7 @@ int kvm_arch_remove_hw_breakpoint(target_ulong addr,
}
size = nb_hw_breakpoints * sizeof(struct kvm_hw_breakpoint);
hw_breakpoints =
- (struct kvm_hw_breakpoint *)g_realloc(hw_breakpoints, size);
+ g_realloc(hw_breakpoints, size);
} else {
g_free(hw_breakpoints);
hw_breakpoints = NULL;
diff --git a/ui/vnc-enc-hextile.c b/ui/vnc-enc-hextile.c
index 4215bd7daf..c763256f29 100644
--- a/ui/vnc-enc-hextile.c
+++ b/ui/vnc-enc-hextile.c
@@ -50,8 +50,8 @@ int vnc_hextile_send_framebuffer_update(VncState *vs, int x,
int has_fg, has_bg;
uint8_t *last_fg, *last_bg;
- last_fg = (uint8_t *) g_malloc(VNC_SERVER_FB_BYTES);
- last_bg = (uint8_t *) g_malloc(VNC_SERVER_FB_BYTES);
+ last_fg = g_malloc(VNC_SERVER_FB_BYTES);
+ last_bg = g_malloc(VNC_SERVER_FB_BYTES);
has_fg = has_bg = 0;
for (j = y; j < (y + h); j += 16) {
for (i = x; i < (x + w); i += 16) {
--
2.37.2
Le 23/09/2022 à 14:00, Markus Armbruster a écrit :
> These memory allocation functions return void *, and casting to
> another pointer type is useless clutter. Drop these casts.
>
> If you really want another pointer type, consider g_new().
>
> Signed-off-by: Markus Armbruster <armbru@redhat.com>
> ---
> hw/arm/nseries.c | 4 ++--
> hw/char/exynos4210_uart.c | 2 +-
> hw/display/blizzard.c | 2 +-
> hw/misc/cbus.c | 6 +++---
> hw/nvram/eeprom93xx.c | 2 +-
> hw/usb/ccid-card-emulated.c | 2 +-
> target/i386/kvm/kvm.c | 3 +--
> target/i386/whpx/whpx-all.c | 5 ++---
> target/s390x/kvm/kvm.c | 2 +-
> ui/vnc-enc-hextile.c | 4 ++--
> 10 files changed, 15 insertions(+), 17 deletions(-)
>
> diff --git a/hw/arm/nseries.c b/hw/arm/nseries.c
> index 692c94ceb4..b151113c27 100644
> --- a/hw/arm/nseries.c
> +++ b/hw/arm/nseries.c
> @@ -702,7 +702,7 @@ static uint32_t mipid_txrx(void *opaque, uint32_t cmd, int len)
>
> static void *mipid_init(void)
> {
> - struct mipid_s *s = (struct mipid_s *) g_malloc0(sizeof(*s));
> + struct mipid_s *s = g_malloc0(sizeof(*s));
>
> s->id = 0x838f03;
> mipid_reset(s);
> @@ -1300,7 +1300,7 @@ static int n810_atag_setup(const struct arm_boot_info *info, void *p)
> static void n8x0_init(MachineState *machine,
> struct arm_boot_info *binfo, int model)
> {
> - struct n800_s *s = (struct n800_s *) g_malloc0(sizeof(*s));
> + struct n800_s *s = g_malloc0(sizeof(*s));
> MachineClass *mc = MACHINE_GET_CLASS(machine);
>
> if (machine->ram_size != mc->default_ram_size) {
> diff --git a/hw/char/exynos4210_uart.c b/hw/char/exynos4210_uart.c
> index addcd59b02..7b7c56b6ef 100644
> --- a/hw/char/exynos4210_uart.c
> +++ b/hw/char/exynos4210_uart.c
> @@ -211,7 +211,7 @@ static void fifo_reset(Exynos4210UartFIFO *q)
> g_free(q->data);
> q->data = NULL;
>
> - q->data = (uint8_t *)g_malloc0(q->size);
> + q->data = g_malloc0(q->size);
>
> q->sp = 0;
> q->rp = 0;
> diff --git a/hw/display/blizzard.c b/hw/display/blizzard.c
> index 105241577d..ebe230dd0a 100644
> --- a/hw/display/blizzard.c
> +++ b/hw/display/blizzard.c
> @@ -1007,7 +1007,7 @@ static const GraphicHwOps blizzard_ops = {
>
> void *s1d13745_init(qemu_irq gpio_int)
> {
> - BlizzardState *s = (BlizzardState *) g_malloc0(sizeof(*s));
> + BlizzardState *s = g_malloc0(sizeof(*s));
> DisplaySurface *surface;
>
> s->fb = g_malloc(0x180000);
> diff --git a/hw/misc/cbus.c b/hw/misc/cbus.c
> index 3c3721ad2d..653e8ddcd5 100644
> --- a/hw/misc/cbus.c
> +++ b/hw/misc/cbus.c
> @@ -133,7 +133,7 @@ static void cbus_sel(void *opaque, int line, int level)
>
> CBus *cbus_init(qemu_irq dat)
> {
> - CBusPriv *s = (CBusPriv *) g_malloc0(sizeof(*s));
> + CBusPriv *s = g_malloc0(sizeof(*s));
>
> s->dat_out = dat;
> s->cbus.clk = qemu_allocate_irq(cbus_clk, s, 0);
> @@ -388,7 +388,7 @@ static void retu_io(void *opaque, int rw, int reg, uint16_t *val)
>
> void *retu_init(qemu_irq irq, int vilma)
> {
> - CBusRetu *s = (CBusRetu *) g_malloc0(sizeof(*s));
> + CBusRetu *s = g_malloc0(sizeof(*s));
>
> s->irq = irq;
> s->irqen = 0xffff;
> @@ -604,7 +604,7 @@ static void tahvo_io(void *opaque, int rw, int reg, uint16_t *val)
>
> void *tahvo_init(qemu_irq irq, int betty)
> {
> - CBusTahvo *s = (CBusTahvo *) g_malloc0(sizeof(*s));
> + CBusTahvo *s = g_malloc0(sizeof(*s));
>
> s->irq = irq;
> s->irqen = 0xffff;
> diff --git a/hw/nvram/eeprom93xx.c b/hw/nvram/eeprom93xx.c
> index a1b9c78844..1081e2cc0d 100644
> --- a/hw/nvram/eeprom93xx.c
> +++ b/hw/nvram/eeprom93xx.c
> @@ -315,7 +315,7 @@ eeprom_t *eeprom93xx_new(DeviceState *dev, uint16_t nwords)
> addrbits = 6;
> }
>
> - eeprom = (eeprom_t *)g_malloc0(sizeof(*eeprom) + nwords * 2);
> + eeprom = g_malloc0(sizeof(*eeprom) + nwords * 2);
> eeprom->size = nwords;
> eeprom->addrbits = addrbits;
> /* Output DO is tristate, read results in 1. */
> diff --git a/hw/usb/ccid-card-emulated.c b/hw/usb/ccid-card-emulated.c
> index 1ddf7297f6..ee41a81801 100644
> --- a/hw/usb/ccid-card-emulated.c
> +++ b/hw/usb/ccid-card-emulated.c
> @@ -140,7 +140,7 @@ static void emulated_apdu_from_guest(CCIDCardState *base,
> const uint8_t *apdu, uint32_t len)
> {
> EmulatedState *card = EMULATED_CCID_CARD(base);
> - EmulEvent *event = (EmulEvent *)g_malloc(sizeof(EmulEvent) + len);
> + EmulEvent *event = g_malloc(sizeof(EmulEvent) + len);
>
> assert(event);
> event->p.data.type = EMUL_GUEST_APDU;
> diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
> index a1fd1f5379..c8f4d500ea 100644
> --- a/target/i386/kvm/kvm.c
> +++ b/target/i386/kvm/kvm.c
> @@ -2252,8 +2252,7 @@ static int kvm_get_supported_feature_msrs(KVMState *s)
> }
>
> assert(msr_list.nmsrs > 0);
> - kvm_feature_msrs = (struct kvm_msr_list *) \
> - g_malloc0(sizeof(msr_list) +
> + kvm_feature_msrs = g_malloc0(sizeof(msr_list) +
> msr_list.nmsrs * sizeof(msr_list.indices[0]));
>
> kvm_feature_msrs->nmsrs = msr_list.nmsrs;
> diff --git a/target/i386/whpx/whpx-all.c b/target/i386/whpx/whpx-all.c
> index b22a3314b4..fbb728a36f 100644
> --- a/target/i386/whpx/whpx-all.c
> +++ b/target/i386/whpx/whpx-all.c
> @@ -1164,9 +1164,8 @@ static void whpx_translate_cpu_breakpoints(
> (breakpoints->breakpoints ? breakpoints->breakpoints->used : 0);
>
> struct whpx_breakpoint_collection *new_breakpoints =
> - (struct whpx_breakpoint_collection *)g_malloc0(
> - sizeof(struct whpx_breakpoint_collection) +
> - max_breakpoints * sizeof(struct whpx_breakpoint));
> + g_malloc0(sizeof(struct whpx_breakpoint_collection)
> + + max_breakpoints * sizeof(struct whpx_breakpoint));
>
> new_breakpoints->allocated = max_breakpoints;
> new_breakpoints->used = 0;
> diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c
> index 7bd8db0e7b..32d23fb617 100644
> --- a/target/s390x/kvm/kvm.c
> +++ b/target/s390x/kvm/kvm.c
> @@ -1031,7 +1031,7 @@ int kvm_arch_remove_hw_breakpoint(target_ulong addr,
> }
> size = nb_hw_breakpoints * sizeof(struct kvm_hw_breakpoint);
> hw_breakpoints =
> - (struct kvm_hw_breakpoint *)g_realloc(hw_breakpoints, size);
> + g_realloc(hw_breakpoints, size);
> } else {
> g_free(hw_breakpoints);
> hw_breakpoints = NULL;
> diff --git a/ui/vnc-enc-hextile.c b/ui/vnc-enc-hextile.c
> index 4215bd7daf..c763256f29 100644
> --- a/ui/vnc-enc-hextile.c
> +++ b/ui/vnc-enc-hextile.c
> @@ -50,8 +50,8 @@ int vnc_hextile_send_framebuffer_update(VncState *vs, int x,
> int has_fg, has_bg;
> uint8_t *last_fg, *last_bg;
>
> - last_fg = (uint8_t *) g_malloc(VNC_SERVER_FB_BYTES);
> - last_bg = (uint8_t *) g_malloc(VNC_SERVER_FB_BYTES);
> + last_fg = g_malloc(VNC_SERVER_FB_BYTES);
> + last_bg = g_malloc(VNC_SERVER_FB_BYTES);
> has_fg = has_bg = 0;
> for (j = y; j < (y + h); j += 16) {
> for (i = x; i < (x + w); i += 16) {
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
© 2016 - 2026 Red Hat, Inc.