diff options
author | Al Viro <viro@zeniv.linux.org.uk> | 2012-05-30 20:11:57 -0400 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-06-01 10:37:17 -0400 |
commit | dc982501d9643ab0c117e7d87562857ce234652d (patch) | |
tree | 6783ecec372875f18f8050f97fbb86f72b8bb890 /mm/mmap.c | |
parent | e3fc629d7bb70848fbf479688a66d4e76dff46ac (diff) |
kill do_mmap() completely
just pull into vm_mmap()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'mm/mmap.c')
-rw-r--r-- | mm/mmap.c | 16 |
1 files changed, 5 insertions, 11 deletions
@@ -1102,28 +1102,22 @@ unsigned long do_mmap_pgoff(struct file *file, unsigned long addr, | |||
1102 | return mmap_region(file, addr, len, flags, vm_flags, pgoff); | 1102 | return mmap_region(file, addr, len, flags, vm_flags, pgoff); |
1103 | } | 1103 | } |
1104 | 1104 | ||
1105 | static unsigned long do_mmap(struct file *file, unsigned long addr, | 1105 | unsigned long vm_mmap(struct file *file, unsigned long addr, |
1106 | unsigned long len, unsigned long prot, | 1106 | unsigned long len, unsigned long prot, |
1107 | unsigned long flag, unsigned long offset) | 1107 | unsigned long flag, unsigned long offset) |
1108 | { | 1108 | { |
1109 | unsigned long ret; | ||
1110 | struct mm_struct *mm = current->mm; | ||
1111 | |||
1109 | if (unlikely(offset + PAGE_ALIGN(len) < offset)) | 1112 | if (unlikely(offset + PAGE_ALIGN(len) < offset)) |
1110 | return -EINVAL; | 1113 | return -EINVAL; |
1111 | if (unlikely(offset & ~PAGE_MASK)) | 1114 | if (unlikely(offset & ~PAGE_MASK)) |
1112 | return -EINVAL; | 1115 | return -EINVAL; |
1113 | return do_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT); | ||
1114 | } | ||
1115 | |||
1116 | unsigned long vm_mmap(struct file *file, unsigned long addr, | ||
1117 | unsigned long len, unsigned long prot, | ||
1118 | unsigned long flag, unsigned long offset) | ||
1119 | { | ||
1120 | unsigned long ret; | ||
1121 | struct mm_struct *mm = current->mm; | ||
1122 | 1116 | ||
1123 | ret = security_mmap_file(file, prot, flag); | 1117 | ret = security_mmap_file(file, prot, flag); |
1124 | if (!ret) { | 1118 | if (!ret) { |
1125 | down_write(&mm->mmap_sem); | 1119 | down_write(&mm->mmap_sem); |
1126 | ret = do_mmap(file, addr, len, prot, flag, offset); | 1120 | ret = do_mmap_pgoff(file, addr, len, prot, flag, offset >> PAGE_SHIFT); |
1127 | up_write(&mm->mmap_sem); | 1121 | up_write(&mm->mmap_sem); |
1128 | } | 1122 | } |
1129 | return ret; | 1123 | return ret; |