diff options
Diffstat (limited to 'mm/mprotect.c')
| -rw-r--r-- | mm/mprotect.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/mm/mprotect.c b/mm/mprotect.c index 14073c0fa..b1504af83 100644 --- a/mm/mprotect.c +++ b/mm/mprotect.c @@ -103,7 +103,7 @@ static inline int mprotect_fixup_start(struct vm_area_struct * vma, n->vm_flags = newflags; n->vm_page_prot = prot; if (n->vm_file) - atomic_inc(&n->vm_file->f_count); + get_file(n->vm_file); if (n->vm_ops && n->vm_ops->open) n->vm_ops->open(n); insert_vm_struct(current->mm, n); @@ -126,7 +126,7 @@ static inline int mprotect_fixup_end(struct vm_area_struct * vma, n->vm_flags = newflags; n->vm_page_prot = prot; if (n->vm_file) - atomic_inc(&n->vm_file->f_count); + get_file(n->vm_file); if (n->vm_ops && n->vm_ops->open) n->vm_ops->open(n); insert_vm_struct(current->mm, n); @@ -212,7 +212,6 @@ asmlinkage int sys_mprotect(unsigned long start, size_t len, unsigned long prot) return 0; down(¤t->mm->mmap_sem); - lock_kernel(); vma = find_vma(current->mm, start); error = -EFAULT; @@ -249,7 +248,6 @@ asmlinkage int sys_mprotect(unsigned long start, size_t len, unsigned long prot) } merge_segments(current->mm, start, end); out: - unlock_kernel(); up(¤t->mm->mmap_sem); return error; } |