From e01ac3f55b9550e511405104cfed9de34f937a45 Mon Sep 17 00:00:00 2001
From: Mark <alnyan@airmail.cc>
Date: Sun, 5 Jul 2020 18:52:48 +0300
Subject: [PATCH] Fix UB: invalid u32 literal shift

---
 drivers/pci/pci.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 0dbe9da..a6e89e8 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -92,7 +92,7 @@ void pci_config_write_dword_legacy(uint8_t bus, uint8_t dev, uint8_t func, uint3
          (((uint32_t) dev) << 11) |
          (((uint32_t) func) << 8) |
          (off & ~0x3) |
-         (1 << 31);
+         (1U << 31);
 
     outl(PCI_PORT_CONFIG_ADDR, w0);
     outl(PCI_PORT_CONFIG_DATA, val);