From: Julia Lawall <julia@xxxxxxx> if (...) BUG(); should be replaced with BUG_ON(...) when the test has no side-effects to allow a definition of BUG_ON that drops the code completely. The semantic patch that makes this change is as follows: (http://www.emn.fr/x-info/coccinelle/) // <smpl> @ disable unlikely @ expression E,f; @@ ( if (<... f(...) ...>) { BUG(); } | - if (unlikely(E)) { BUG(); } + BUG_ON(E); ) @@ expression E,f; @@ ( if (<... f(...) ...>) { BUG(); } | - if (E) { BUG(); } + BUG_ON(E); ) // </smpl> Signed-off-by: Julia Lawall <julia@xxxxxxx> --- diff -u -p a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c --- a/net/9p/trans_virtio.c 2008-02-10 22:34:18.000000000 +0100 +++ b/net/9p/trans_virtio.c 2008-02-17 16:43:18.000000000 +0100 @@ -183,8 +183,7 @@ pack_sg_list(struct scatterlist *sg, int sg_set_buf(&sg[index++], data, s); count -= s; data += s; - if (index > limit) - BUG(); + BUG_ON(index > limit); } return index-start; - To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
