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Subject[PATCH 11/19] arch_mmap_check() on mn10300
From

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/mn10300/include/asm/mman.h | 5 +++++
arch/mn10300/kernel/sys_mn10300.c | 5 -----
2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/arch/mn10300/include/asm/mman.h b/arch/mn10300/include/asm/mman.h
index 8eebf89..db5c53d 100644
--- a/arch/mn10300/include/asm/mman.h
+++ b/arch/mn10300/include/asm/mman.h
@@ -1 +1,6 @@
#include <asm-generic/mman.h>
+
+#define MIN_MAP_ADDR PAGE_SIZE /* minimum fixed mmap address */
+
+#define arch_mmap_check(addr, len, flags) \
+ (((flags) & MAP_FIXED && (addr) < MIN_MAP_ADDR) ? -EINVAL : 0)
diff --git a/arch/mn10300/kernel/sys_mn10300.c b/arch/mn10300/kernel/sys_mn10300.c
index 8ca5af0..ec4100d 100644
--- a/arch/mn10300/kernel/sys_mn10300.c
+++ b/arch/mn10300/kernel/sys_mn10300.c
@@ -23,8 +23,6 @@

#include <asm/uaccess.h>

-#define MIN_MAP_ADDR PAGE_SIZE /* minimum fixed mmap address */
-
/*
* memory mapping syscall
*/
@@ -37,9 +35,6 @@ asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,

flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);

- if (flags & MAP_FIXED && addr < MIN_MAP_ADDR)
- goto out;
-
error = -EBADF;
if (!(flags & MAP_ANONYMOUS)) {
file = fget(fd);
--
1.5.6.5



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