diff options
Diffstat (limited to 'mm/mmap.c')
| -rw-r--r-- | mm/mmap.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/mm/mmap.c b/mm/mmap.c index b1202cf81f4b..8a56d39df4ed 100644 --- a/mm/mmap.c +++ b/mm/mmap.c @@ -640,11 +640,10 @@ static void vma_link(struct mm_struct *mm, struct vm_area_struct *vma, { struct address_space *mapping = NULL; - if (vma->vm_file) + if (vma->vm_file) { mapping = vma->vm_file->f_mapping; - - if (mapping) mutex_lock(&mapping->i_mmap_mutex); + } __vma_link(mm, vma, prev, rb_link, rb_parent); __vma_link_file(vma); @@ -2965,9 +2964,7 @@ int install_special_mapping(struct mm_struct *mm, struct vm_area_struct *vma = _install_special_mapping(mm, addr, len, vm_flags, pages); - if (IS_ERR(vma)) - return PTR_ERR(vma); - return 0; + return PTR_ERR_OR_ZERO(vma); } static DEFINE_MUTEX(mm_all_locks_mutex); |