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Code Issues Releases Wiki Activity

arch_mmap_check() on mn10300

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2009-11-30 17:00:51 -05:00
parent 570dcf2c15
commit 564b3bffc6
2 changed files with 5 additions and 5 deletions
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5
arch/mn10300/include/asm/mman.h
View file

@ -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)

5
arch/mn10300/kernel/sys_mn10300.c
View file

@ -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);