Title: [7743] trunk/mm/nommu.c: NOMMU: Don't pass NULL pointers to fput() in do_mmap_pgoff()
- Revision
- 7743
- Author
- vapier
- Date
- 2009-11-02 06:33:21 -0500 (Mon, 02 Nov 2009)
Log Message
NOMMU: Don't pass NULL pointers to fput() in do_mmap_pgoff()
From: David Howells <[email protected]>
Don't pass NULL pointers to fput() in the error handling paths of the NOMMU
do_mmap_pgoff() as it can't handle it.
Modified Paths
Diff
Modified: trunk/mm/nommu.c (7742 => 7743)
--- trunk/mm/nommu.c 2009-11-02 10:06:07 UTC (rev 7742)
+++ trunk/mm/nommu.c 2009-11-02 11:33:21 UTC (rev 7743)
@@ -1419,9 +1419,11 @@
error_just_free:
up_write(&nommu_region_sem);
error:
- fput(region->vm_file);
+ if (region->vm_file)
+ fput(region->vm_file);
kmem_cache_free(vm_region_jar, region);
- fput(vma->vm_file);
+ if (vma->vm_file)
+ fput(vma->vm_file);
if (vma->vm_flags & VM_EXECUTABLE)
removed_exe_file_vma(vma->vm_mm);
kmem_cache_free(vm_area_cachep, vma);
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