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| author | Changli Gao <xiaosuo@gmail.com> | 2011-03-24 00:42:58 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-03-24 03:46:40 +0100 |
| commit | cfaf346cb2741ca648d83527df173b759381e607 (patch) | |
| tree | 578b3d6ce766950fb20f29839c6fbae5aad41a36 /drivers/char/mem.c | |
| parent | drivers/staging/tty/specialix.c: convert func_enter to func_exit (diff) | |
| download | linux-cfaf346cb2741ca648d83527df173b759381e607.tar.xz linux-cfaf346cb2741ca648d83527df173b759381e607.zip | |
drivers/char/mem.c: clean up the code
Reduce the lines of code and simplify the logic.
Signed-off-by: Changli Gao <xiaosuo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/mem.c')
| -rw-r--r-- | drivers/char/mem.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 1256454b2d43..436a99017998 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) |