The patch titled sound: Use BUG_ON has been added to the -mm tree. Its filename is sound-use-bug_on.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find out what to do about this The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/ ------------------------------------------------------ Subject: sound: Use BUG_ON 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> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- sound/core/seq/oss/seq_oss_synth.c | 3 +-- sound/oss/trident.c | 12 ++++-------- 2 files changed, 5 insertions(+), 10 deletions(-) diff -puN sound/core/seq/oss/seq_oss_synth.c~sound-use-bug_on sound/core/seq/oss/seq_oss_synth.c --- a/sound/core/seq/oss/seq_oss_synth.c~sound-use-bug_on +++ a/sound/core/seq/oss/seq_oss_synth.c @@ -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 -puN sound/oss/trident.c~sound-use-bug_on sound/oss/trident.c --- a/sound/oss/trident.c~sound-use-bug_on +++ a/sound/oss/trident.c @@ -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; _ Patches currently in -mm which might be from julia@xxxxxxx are sound-use-bug_on.patch git-hid.patch git-net.patch drivers-net-mv643xx_ethc-use-field_sizeof.patch fs-ocfs2-use-bug_on.patch s390-use-div_round_up.patch drivers-block-viodasdc-use-field_sizeof.patch usb-use-div_round_up.patch fs-affs-filec-use-bug_on.patch fbdev-use-div_round_up-or-roundup.patch fs-ext2-use-bug_on.patch fs-ext3-use-bug_on.patch fs-ext4-use-bug_on.patch - To unsubscribe from this list: send the line "unsubscribe mm-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html