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Diffstat (limited to 'mm/nommu.c')
-rw-r--r--mm/nommu.c35
1 files changed, 3 insertions, 32 deletions
diff --git a/mm/nommu.c b/mm/nommu.c
index bb8f4f004a82..c4acfbc09972 100644
--- a/mm/nommu.c
+++ b/mm/nommu.c
@@ -889,7 +889,6 @@ static int validate_mmap_request(struct file *file,
unsigned long *_capabilities)
{
unsigned long capabilities, rlen;
- unsigned long reqprot = prot;
int ret;
/* do the simple checks first */
@@ -1047,7 +1046,7 @@ static int validate_mmap_request(struct file *file,
}
/* allow the security API to have its say */
- ret = security_file_mmap(file, reqprot, prot, flags, addr, 0);
+ ret = security_mmap_addr(addr);
if (ret < 0)
return ret;
@@ -1233,7 +1232,7 @@ enomem:
/*
* handle mapping creation for uClinux
*/
-static unsigned long do_mmap_pgoff(struct file *file,
+unsigned long do_mmap_pgoff(struct file *file,
unsigned long addr,
unsigned long len,
unsigned long prot,
@@ -1471,32 +1470,6 @@ error_getting_region:
return -ENOMEM;
}
-unsigned long do_mmap(struct file *file, unsigned long addr,
- unsigned long len, unsigned long prot,
- unsigned long flag, unsigned long offset)
-{
- if (unlikely(offset + PAGE_ALIGN(len) < offset))
- return -EINVAL;
- if (unlikely(offset & ~PAGE_MASK))
- return -EINVAL;
- return do_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT);
-}
-EXPORT_SYMBOL(do_mmap);
-
-unsigned long vm_mmap(struct file *file, unsigned long addr,
- unsigned long len, unsigned long prot,
- unsigned long flag, unsigned long offset)
-{
- unsigned long ret;
- struct mm_struct *mm = current->mm;
-
- down_write(&mm->mmap_sem);
- ret = do_mmap(file, addr, len, prot, flag, offset);
- up_write(&mm->mmap_sem);
- return ret;
-}
-EXPORT_SYMBOL(vm_mmap);
-
SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
unsigned long, prot, unsigned long, flags,
unsigned long, fd, unsigned long, pgoff)
@@ -1513,9 +1486,7 @@ SYSCALL_DEFINE6(mmap_pgoff, unsigned long, addr, unsigned long, len,
flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
- down_write(&current->mm->mmap_sem);
- retval = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
- up_write(&current->mm->mmap_sem);
+ ret = vm_mmap_pgoff(file, addr, len, prot, flags, pgoff);
if (file)
fput(file);