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/sound/core/seq/oss/seq_oss_synth.c b/sound/core/seq/oss/seq_oss_synth.c --- a/sound/core/seq/oss/seq_oss_synth.c 2006-11-30 19:05:47.000000000 +0100 +++ b/sound/core/seq/oss/seq_oss_synth.c 2008-02-17 16:43:24.000000000 +0100 @@ -245,8 +245,7 @@ snd_seq_oss_synth_setup(struct seq_oss_d info->nr_voices = rec->nr_voices; if (info->nr_voices > 0) { info->ch = kcalloc(info->nr_voices, sizeof(struct seq_oss_chinfo), GFP_KERNEL); - if (!info->ch) - BUG(); + BUG_ON(!info->ch); reset_channels(info); } debug_printk(("synth %d assigned\n", i)); diff -u -p a/sound/oss/trident.c b/sound/oss/trident.c --- a/sound/oss/trident.c 2008-02-10 22:34:18.000000000 +0100 +++ b/sound/oss/trident.c 2008-02-17 16:43:27.000000000 +0100 @@ -3076,8 +3076,7 @@ ali_ac97_get(struct trident_card *card, u16 wcontrol; unsigned long flags; - if (!card) - BUG(); + BUG_ON(!card); address = ALI_AC97_READ; if (card->revision == ALI_5451_V02) { @@ -3148,8 +3147,7 @@ ali_ac97_set(struct trident_card *card, data = ((u32) val) << 16; - if (!card) - BUG(); + BUG_ON(!card); address = ALI_AC97_WRITE; mask = ALI_AC97_WRITE_ACTION | ALI_AC97_AUDIO_BUSY; @@ -3213,8 +3211,7 @@ ali_ac97_read(struct ac97_codec *codec, struct trident_card *card = NULL; /* Added by Matt Wu */ - if (!codec) - BUG(); + BUG_ON(!codec); card = (struct trident_card *) codec->private_data; @@ -3240,8 +3237,7 @@ ali_ac97_write(struct ac97_codec *codec, struct trident_card *card; /* Added by Matt Wu */ - if (!codec) - BUG(); + BUG_ON(!codec); card = (struct trident_card *) codec->private_data; - 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
