From: Li Qiang <liq3ea@gmail.com>
To: Chen Qun <kuhn.chenqun@huawei.com>
Cc: zhanghailiang <zhang.zhanghailiang@huawei.com>,
qemu-trivial@nongnu.org, Pan Nengyuan <pannengyuan@huawei.com>,
Qemu Developers <qemu-devel@nongnu.org>,
Gerd Hoffmann <kraxel@redhat.com>,
Euler Robot <euler.robot@huawei.com>
Subject: Re: [PATCH v2 10/10] hw/display/vga:Remove redundant statement in vga_draw_graphic()
Date: Wed, 26 Aug 2020 09:54:09 +0800 [thread overview]
Message-ID: <CAKXe6SL60EqjnpjOjM7meHex0bqYnbaGS+UTTLp0VduRWtzK=A@mail.gmail.com> (raw)
In-Reply-To: <20200825112447.126308-11-kuhn.chenqun@huawei.com>
Chen Qun <kuhn.chenqun@huawei.com> 于2020年8月25日周二 下午7:33写道：
>
> Clang static code analyzer show warning:
> hw/display/vga.c:1677:9: warning: Value stored to 'update' is never read
> update = full_update;
> ^ ~~~~~~~~~~~
>
> Reported-by: Euler Robot <euler.robot@huawei.com>
> Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
> ---
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> ---
> hw/display/vga.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/hw/display/vga.c b/hw/display/vga.c
> index 061fd9ab8f..836ad50c7b 100644
> --- a/hw/display/vga.c
> +++ b/hw/display/vga.c
> @@ -1674,7 +1674,6 @@ static void vga_draw_graphic(VGACommonState *s, int full_update)
> if (!(s->cr[VGA_CRTC_MODE] & 2)) {
> addr = (addr & ~0x8000) | ((y1 & 2) << 14);
> }
> - update = full_update;
> page0 = addr & s->vbe_size_mask;
> page1 = (addr + bwidth - 1) & s->vbe_size_mask;
> if (full_update) {
> --
> 2.23.0
>
>
prev parent reply other threads:[~2020-08-26 1:55 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-25 11:24 [PATCH v2 00/10] trivial patchs for static code analyzer fixes Chen Qun
2020-08-25 11:24 ` [PATCH v2 01/10] hw/arm/virt-acpi-build:Remove dead assignment in build_madt() Chen Qun
2020-08-26 1:25 ` Li Qiang
2020-08-25 11:24 ` [PATCH v2 02/10] hw/arm/omap1:Remove redundant statement in omap_clkdsp_read() Chen Qun
2020-08-25 12:35 ` Peter Maydell
2020-08-26 1:26 ` Li Qiang
2020-08-25 11:24 ` [PATCH v2 03/10] target/arm/translate-a64:Remove dead assignment in handle_scalar_simd_shli() Chen Qun
2020-08-25 12:37 ` Peter Maydell
2020-08-26 2:42 ` Chenqun (kuhn)
2020-08-25 11:24 ` [PATCH v2 04/10] target/arm/translate-a64:Remove redundant statement in disas_simd_two_reg_misc_fp16() Chen Qun
2020-08-25 12:38 ` Peter Maydell
2020-08-25 11:24 ` [PATCH v2 05/10] hw/virtio/vhost-user:Remove dead assignment in scrub_shadow_regions() Chen Qun
2020-08-26 10:23 ` Li Qiang
2020-08-25 11:24 ` [PATCH v2 06/10] hw/net/virtio-net:Remove redundant statement in virtio_net_rsc_tcp_ctrl_check() Chen Qun
2020-08-26 1:35 ` Li Qiang
2020-08-25 11:24 ` [PATCH v2 07/10] vfio/platform: Remove dead assignment in vfio_intp_interrupt() Chen Qun
2020-08-25 15:00 ` Stefan Hajnoczi
2020-08-26 1:38 ` Li Qiang
2020-08-26 1:47 ` Chenqun (kuhn)
2020-08-26 10:14 ` Li Qiang
2020-08-25 11:24 ` [PATCH v2 08/10] usb/bus: Remove dead assignment in usb_get_fw_dev_path() Chen Qun
2020-08-25 14:39 ` Markus Armbruster
2020-08-26 1:59 ` Chenqun (kuhn)
2020-08-26 2:25 ` Chenqun (kuhn)
2020-08-25 11:24 ` [PATCH v2 09/10] hw/intc: Remove redundant statement in exynos4210_combiner_read() Chen Qun
2020-08-25 12:41 ` Peter Maydell
2020-08-27 7:00 ` Chenqun (kuhn)
2020-08-27 9:28 ` Peter Maydell
2020-08-25 11:24 ` [PATCH v2 10/10] hw/display/vga:Remove redundant statement in vga_draw_graphic() Chen Qun
2020-08-26 1:54 ` Li Qiang [this message]
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