From 0980307e705b5677d9b4158a0a0346abf5041f33 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Philippe=20Mathieu-Daud=C3=A9?= Date: Mon, 12 Oct 2020 19:09:47 +0200 Subject: [PATCH] hw/pci-host/sabre: Simplify code initializing variable once MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit We only need to zero-initialize 'val' once. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Mark Cave-Ayland Message-Id: <20201012170950.3491912-4-f4bug@amsat.org> Signed-off-by: Mark Cave-Ayland --- hw/pci-host/sabre.c | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/hw/pci-host/sabre.c b/hw/pci-host/sabre.c index f678a3eefc..f41a0cc301 100644 --- a/hw/pci-host/sabre.c +++ b/hw/pci-host/sabre.c @@ -195,32 +195,25 @@ static uint64_t sabre_config_read(void *opaque, hwaddr addr, unsigned size) { SabreState *s = opaque; - uint32_t val; + uint32_t val = 0; switch (addr) { case 0x30 ... 0x4f: /* DMA error registers */ - val = 0; /* XXX: not implemented yet */ break; case 0xc00 ... 0xc3f: /* PCI interrupt control */ if (addr & 4) { val = s->pci_irq_map[(addr & 0x3f) >> 3]; - } else { - val = 0; } break; case 0x1000 ... 0x107f: /* OBIO interrupt control */ if (addr & 4) { val = s->obio_irq_map[(addr & 0xff) >> 3]; - } else { - val = 0; } break; case 0x1080 ... 0x108f: /* PCI bus error */ if (addr & 4) { val = s->pci_err_irq_map[(addr & 0xf) >> 3]; - } else { - val = 0; } break; case 0x2000 ... 0x202f: /* PCI control */ @@ -229,8 +222,6 @@ static uint64_t sabre_config_read(void *opaque, case 0xf020 ... 0xf027: /* Reset control */ if (addr & 4) { val = s->reset_control; - } else { - val = 0; } break; case 0x5000 ... 0x51cf: /* PIO/DMA diagnostics */ @@ -239,7 +230,6 @@ static uint64_t sabre_config_read(void *opaque, case 0xf000 ... 0xf01f: /* FFB config, memory control */ /* we don't care */ default: - val = 0; break; } trace_sabre_config_read(addr, val); -- 2.11.4.GIT