revision.c: fix possible null pointer arithmetic
mark_tree_uninteresting() dereferences a tree pointer before checking if the pointer is valid. Fix that by doing the check first. Signed-off-by: Stefan Naewe <stefan.naewe@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Stefan Naewe committed
Dec 5, 2015 at 16:27 UTC
a2678df335f3404bc5d96683fa36b8cfab7946b0
1 file changed
+3
-1
revision.c
+3
-1
@@ -131,10 +131,12 @@ static void mark_tree_contents_uninteresting(struct tree *tree)
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void mark_tree_uninteresting(struct tree *tree)
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{
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- struct object *obj = &tree->object;
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+ struct object *obj;
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if (!tree)
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return;
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+
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+ obj = &tree->object;
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if (obj->flags & UNINTERESTING)
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return;
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obj->flags |= UNINTERESTING;