diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-30 19:30:51 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-31 19:11:54 +0200 |
| commit | e5467859f7f79b69fc49004403009dfdba3bec53 (patch) | |
| tree | 73b011daf79eeddd61bbcaf65cd197b5e5f6f149 /mm/mmap.c | |
| parent | split cap_mmap_addr() out of cap_file_mmap() (diff) | |
| download | linux-e5467859f7f79b69fc49004403009dfdba3bec53.tar.xz linux-e5467859f7f79b69fc49004403009dfdba3bec53.zip | |
split ->file_mmap() into ->mmap_addr()/->mmap_file()
... i.e. file-dependent and address-dependent checks.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index 83c56624f1f6..49283da9a2ae 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -1101,7 +1101,11 @@ static unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, } } - error = security_file_mmap(file, reqprot, prot, flags, addr, 0); + error = security_mmap_addr(addr); + if (error) + return error; + + error = security_mmap_file(file, reqprot, prot, flags); if (error) return error; @@ -1817,7 +1821,7 @@ int expand_downwards(struct vm_area_struct *vma, return -ENOMEM; address &= PAGE_MASK; - error = security_file_mmap(NULL, 0, 0, 0, address, 1); + error = security_mmap_addr(address); if (error) return error; @@ -2205,7 +2209,7 @@ static unsigned long do_brk(unsigned long addr, unsigned long len) if (!len) return addr; - error = security_file_mmap(NULL, 0, 0, 0, addr, 1); + error = security_mmap_addr(addr); if (error) return error; @@ -2561,7 +2565,7 @@ int install_special_mapping(struct mm_struct *mm, vma->vm_ops = &special_mapping_vmops; vma->vm_private_data = pages; - ret = security_file_mmap(NULL, 0, 0, 0, vma->vm_start, 1); + ret = security_mmap_addr(vma->vm_start); if (ret) goto out; |