Messages in this thread Patch in this message | | | Date | Wed, 16 Dec 2009 12:05:19 +0900 | From | KAMEZAWA Hiroyuki <> | Subject | [mm][RFC][PATCH 5/11] mm accessor for tomoyo |
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Replace mmap_sem with mm_accessor(). for security layer.
Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> --- security/tomoyo/common.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
Index: mmotm-mm-accessor/security/tomoyo/common.c =================================================================== --- mmotm-mm-accessor.orig/security/tomoyo/common.c +++ mmotm-mm-accessor/security/tomoyo/common.c @@ -759,14 +759,14 @@ static const char *tomoyo_get_exe(void) if (!mm) return NULL; - down_read(&mm->mmap_sem); + mm_read_lock(mm); for (vma = mm->mmap; vma; vma = vma->vm_next) { if ((vma->vm_flags & VM_EXECUTABLE) && vma->vm_file) { cp = tomoyo_realpath_from_path(&vma->vm_file->f_path); break; } } - up_read(&mm->mmap_sem); + mm_read_unlock(mm); return cp; }
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