leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

MIPS: Make virt_addr_valid() return bool

Browse Source 
virt_addr_valid() really returns a boolean value, but currently uses an
integer to represent it. Switch to the bool type to make it clearer that
we really are returning a true or false value.

Signed-off-by: Paul Burton <paul.burton@mips.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Cc: linux-mips@vger.kernel.org
This commit is contained in:
Paul Burton
2019-05-28 17:05:04 +00:00
parent 074a1e1167
commit 31875a5432
2 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/mips/include/asm/page.h
View File

@@ -249,7 +249,7 @@ static inline int pfn_valid(unsigned long pfn)
#define virt_to_pfn(kaddr) PFN_DOWN(virt_to_phys((void *)(kaddr))) #define virt_to_pfn(kaddr) PFN_DOWN(virt_to_phys((void *)(kaddr)))
#define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr)) #define virt_to_page(kaddr) pfn_to_page(virt_to_pfn(kaddr))
extern int __virt_addr_valid(const volatile void *kaddr); extern bool __virt_addr_valid(const volatile void *kaddr);
#define virt_addr_valid(kaddr) \ #define virt_addr_valid(kaddr) \
__virt_addr_valid((const volatile void *) (kaddr)) __virt_addr_valid((const volatile void *) (kaddr))

4
arch/mips/mm/mmap.c
View File

@@ -201,12 +201,12 @@ unsigned long arch_randomize_brk(struct mm_struct *mm)
return ret; return ret;
} }
int __virt_addr_valid(const volatile void *kaddr) bool __virt_addr_valid(const volatile void *kaddr)
{ {
unsigned long vaddr = (unsigned long)vaddr; unsigned long vaddr = (unsigned long)vaddr;
if ((vaddr < PAGE_OFFSET) || (vaddr >= MAP_BASE)) if ((vaddr < PAGE_OFFSET) || (vaddr >= MAP_BASE))
return 0; return false;
return pfn_valid(PFN_DOWN(virt_to_phys(kaddr))); return pfn_valid(PFN_DOWN(virt_to_phys(kaddr)));
} }