[PATCH 1/2] csky: Cast argument to virt_to_pfn() to (void *)

Linus Walleij linus.walleij at linaro.org
Tue Aug 8 01:25:55 PDT 2023


The virt_to_pfn() function takes a (void *) as argument, fix
this up to avoid exploiting the unintended polymorphism of
virt_to_pfn.

Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
 arch/arc/include/asm/page.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arc/include/asm/page.h b/arch/arc/include/asm/page.h
index e43fe27ec54d..02b53ad811fb 100644
--- a/arch/arc/include/asm/page.h
+++ b/arch/arc/include/asm/page.h
@@ -108,7 +108,7 @@ extern int pfn_valid(unsigned long pfn);
 
 #else /* CONFIG_HIGHMEM */
 
-#define ARCH_PFN_OFFSET		virt_to_pfn(CONFIG_LINUX_RAM_BASE)
+#define ARCH_PFN_OFFSET		virt_to_pfn((void *)CONFIG_LINUX_RAM_BASE)
 
 #endif /* CONFIG_HIGHMEM */
 

-- 
2.34.1




More information about the linux-snps-arc mailing list