drivers/char/mem.c: clean up the code

cfaf346c · Changli Gao <[email protected]> · 2011-03-23 16:42:58 -07:00

Reduce the lines of code and simplify the logic.

Signed-off-by: Changli Gao <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

Commit: cfaf346cb2741ca648d83527df173b759381e607
Parents: 115bcd15

Changes

1 files changed · +1 −4

File	Status	Add	Del	Content
drivers/char/mem.c	modified	+1	−4	View file

drivers/char/mem.c

View file

diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 1256454..436a990 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -47,10 +47,7 @@ static inline unsigned long size_inside_page(unsigned long start,
 #ifndef ARCH_HAS_VALID_PHYS_ADDR_RANGE
 static inline int valid_phys_addr_range(unsigned long addr, size_t count)
 {
-	if (addr + count > __pa(high_memory))
-		return 0;
-
-	return 1;
+	return addr + count <= __pa(high_memory);
 }
 
 static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t size)