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Merge branch 'sn/null-pointer-arith-in-mark-tree-uninteresting' into maint

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mark_tree_uninteresting() has code to handle the case where it gets
passed a NULL pointer in its 'tree' parameter, but the function had
'object = &tree->object' assignment before checking if tree is
NULL.  This gives a compiler an excuse to declare that tree will
never be NULL and apply a wrong optimization.  Avoid it.

* sn/null-pointer-arith-in-mark-tree-uninteresting:
  revision.c: fix possible null pointer arithmetic
This commit is contained in:
Junio C Hamano 2015-12-11 11:14:38 -08:00
commit 58e3dd21f6
1 changed files with 3 additions and 1 deletions
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4
revision.c
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@ -135,10 +135,12 @@ static void mark_tree_contents_uninteresting(struct tree *tree)
void mark_tree_uninteresting(struct tree *tree)
{
struct object *obj = &tree->object;
struct object *obj;
if (!tree)
return;
obj = &tree->object;
if (obj->flags & UNINTERESTING)
return;
obj->flags |= UNINTERESTING;