Fix double i_writecount handling (Tony Luck)

c0713be8 · Linus Torvalds · Linus Torvalds · 99ef44b7 · c0713be8
Commit c0713be8 authored May 20, 2002 by Linus Torvalds Committed by Linus Torvalds May 20, 2002
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mm/mmap.c mm/mmap.c +2 -6

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--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -911,12 +911,8 @@ static int splitvma(struct mm_struct *mm, struct vm_area_struct *mpnt, unsigned
 	new->vm_start = addr;
 	new->vm_pgoff = mpnt->vm_pgoff + ((addr - mpnt->vm_start) >> PAGE_SHIFT);
 	new->vm_raend = 0;
-	if (mpnt->vm_file) {
-		struct file *file = mpnt->vm_file;
-		get_file(file);
-		if (mpnt->vm_flags & VM_DENYWRITE)
-			atomic_dec(&file->f_dentry->d_inode->i_writecount);
-	}
+	if (mpnt->vm_file)
+		get_file(mpnt->vm_file);

 	if (mpnt->vm_ops && mpnt->vm_ops->open)
 		mpnt->vm_ops->open(mpnt);