Author: Julia Lawall <Julia.Lawall@lip6.fr> Just use WARN_ON rather than an if containing only WARN_ON(1). A simplified version of the semantic patch that makes this transformation is as follows: (http://coccinelle.lip6.fr/) // @@ expression e; @@ – if (e) WARN_ON(1); + WARN_ON(e); // Signed-off-by: Julia Lawall Signed-off-by: John W. Linville — drivers/net/wireless/ath/ath6kl/hif.c | 6 ++—- 1 file …