[PATCH] NOMMU: don't try and give NULL to fput()

Don't try and give NULL to fput() in the error handling in do_mmap_pgoff() as it'll cause an oops. Signed-off-by: David Howells <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
ambv · Oct 1, 2006 · 3fcd03e · 3fcd03e
1 parent ab8e92e
commit 3fcd03e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/mm/nommu.c b/mm/nommu.c
@@ -948,7 +948,8 @@ unsigned long do_mmap_pgoff(struct file *file,
 	up_write(&nommu_vma_sem);
 	kfree(vml);
 	if (vma) {
-		fput(vma->vm_file);
+		if (vma->vm_file)
+			fput(vma->vm_file);
 		kfree(vma);
 	}
 	return ret;