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ALSA: ctxfi - Simple code clean up 

- replace NULL == xxx with !xxx
- replace NULL != xxx with xxx
- similar trivial cleanups

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2009-07-22 17:12:34 +02:00
parent 89e1b9511f
commit 35ebf6e721
10 changed files with 100 additions and 101 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
sound/pci/ctxfi/ctamixer.c
View File

@ -63,7 +63,7 @@ static int amixer_set_input(struct amixer *amixer, struct rsc *rsc)
hw = amixer->rsc.hw;
hw->amixer_set_mode(amixer->rsc.ctrl_blk, AMIXER_Y_IMMEDIATE);
amixer->input = rsc;
if (NULL == rsc)
if (!rsc)
hw->amixer_set_x(amixer->rsc.ctrl_blk, BLANK_SLOT);
else
hw->amixer_set_x(amixer->rsc.ctrl_blk,
@ -99,7 +99,7 @@ static int amixer_set_sum(struct amixer *amixer, struct sum *sum)
hw = amixer->rsc.hw;
amixer->sum = sum;
if (NULL == sum) {
if (!sum) {
hw->amixer_set_se(amixer->rsc.ctrl_blk, 0);
} else {
hw->amixer_set_se(amixer->rsc.ctrl_blk, 1);
@ -124,20 +124,20 @@ static int amixer_commit_write(struct amixer *amixer)
/* Program master and conjugate resources */
amixer->rsc.ops->master(&amixer->rsc);
if (NULL != input)
if (input)
input->ops->master(input);
if (NULL != sum)
if (sum)
sum->rsc.ops->master(&sum->rsc);
for (i = 0; i < amixer->rsc.msr; i++) {
hw->amixer_set_dirty_all(amixer->rsc.ctrl_blk);
if (NULL != input) {
if (input) {
hw->amixer_set_x(amixer->rsc.ctrl_blk,
input->ops->output_slot(input));
input->ops->next_conj(input);
}
if (NULL != sum) {
if (sum) {
hw->amixer_set_sadr(amixer->rsc.ctrl_blk,
sum->rsc.ops->index(&sum->rsc));
sum->rsc.ops->next_conj(&sum->rsc);
@ -147,10 +147,10 @@ static int amixer_commit_write(struct amixer *amixer)
amixer->rsc.ops->next_conj(&amixer->rsc);
}
amixer->rsc.ops->master(&amixer->rsc);
if (NULL != input)
if (input)
input->ops->master(input);
if (NULL != sum)
if (sum)
sum->rsc.ops->master(&sum->rsc);
return 0;
@ -303,7 +303,7 @@ int amixer_mgr_create(void *hw, struct amixer_mgr **ramixer_mgr)
*ramixer_mgr = NULL;
amixer_mgr = kzalloc(sizeof(*amixer_mgr), GFP_KERNEL);
if (NULL == amixer_mgr)
if (!amixer_mgr)
return -ENOMEM;
err = rsc_mgr_init(&amixer_mgr->mgr, AMIXER, AMIXER_RESOURCE_NUM, hw);
@ -456,7 +456,7 @@ int sum_mgr_create(void *hw, struct sum_mgr **rsum_mgr)
*rsum_mgr = NULL;
sum_mgr = kzalloc(sizeof(*sum_mgr), GFP_KERNEL);
if (NULL == sum_mgr)
if (!sum_mgr)
return -ENOMEM;
err = rsc_mgr_init(&sum_mgr->mgr, SUM, SUM_RESOURCE_NUM, hw);

77
sound/pci/ctxfi/ctatc.c
View File

@ -136,7 +136,7 @@ static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
struct snd_pcm_runtime *runtime;
struct ct_vm *vm;
if (NULL == apcm->substream)
if (!apcm->substream)
return 0;
runtime = apcm->substream->runtime;
@ -144,7 +144,7 @@ static int ct_map_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
apcm->vm_block = vm->map(vm, apcm->substream, runtime->dma_bytes);
if (NULL == apcm->vm_block)
if (!apcm->vm_block)
return -ENOENT;
return 0;
@ -154,7 +154,7 @@ static void ct_unmap_audio_buffer(struct ct_atc *atc, struct ct_atc_pcm *apcm)
{
struct ct_vm *vm;
if (NULL == apcm->vm_block)
if (!apcm->vm_block)
return;
vm = atc->vm;
@ -231,16 +231,16 @@ atc_get_pitch(unsigned int input_rate, unsigned int output_rate)
static int select_rom(unsigned int pitch)
{
if ((pitch > 0x00428f5c) && (pitch < 0x01b851ec)) {
if (pitch > 0x00428f5c && pitch < 0x01b851ec) {
/* 0.26 <= pitch <= 1.72 */
return 1;
} else if ((0x01d66666 == pitch) || (0x01d66667 == pitch)) {
} else if (pitch == 0x01d66666 || pitch == 0x01d66667) {
/* pitch == 1.8375 */
return 2;
} else if (0x02000000 == pitch) {
} else if (pitch == 0x02000000) {
/* pitch == 2 */
return 3;
} else if ((pitch >= 0x0) && (pitch <= 0x08000000)) {
} else if (pitch >= 0x0 && pitch <= 0x08000000) {
/* 0 <= pitch <= 8 */
return 0;
} else {
@ -283,7 +283,7 @@ static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
/* Get AMIXER resource */
n_amixer = (n_amixer < 2) ? 2 : n_amixer;
apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
if (NULL == apcm->amixers) {
if (!apcm->amixers) {
err = -ENOMEM;
goto error1;
}
@ -311,7 +311,7 @@ static int atc_pcm_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
INIT_VOL, atc->pcm[i+device*2]);
mutex_unlock(&atc->atc_mutex);
src = src->ops->next_interleave(src);
if (NULL == src)
if (!src)
src = apcm->src;
}
@ -334,7 +334,7 @@ atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
struct srcimp *srcimp;
int i;
if (NULL != apcm->srcimps) {
if (apcm->srcimps) {
for (i = 0; i < apcm->n_srcimp; i++) {
srcimp = apcm->srcimps[i];
srcimp->ops->unmap(srcimp);
@ -345,7 +345,7 @@ atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
apcm->srcimps = NULL;
}
if (NULL != apcm->srccs) {
if (apcm->srccs) {
for (i = 0; i < apcm->n_srcc; i++) {
src_mgr->put_src(src_mgr, apcm->srccs[i]);
apcm->srccs[i] = NULL;
@ -354,7 +354,7 @@ atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
apcm->srccs = NULL;
}
if (NULL != apcm->amixers) {
if (apcm->amixers) {
for (i = 0; i < apcm->n_amixer; i++) {
amixer_mgr->put_amixer(amixer_mgr, apcm->amixers[i]);
apcm->amixers[i] = NULL;
@ -363,17 +363,17 @@ atc_pcm_release_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
apcm->amixers = NULL;
}
if (NULL != apcm->mono) {
if (apcm->mono) {
sum_mgr->put_sum(sum_mgr, apcm->mono);
apcm->mono = NULL;
}
if (NULL != apcm->src) {
if (apcm->src) {
src_mgr->put_src(src_mgr, apcm->src);
apcm->src = NULL;
}
if (NULL != apcm->vm_block) {
if (apcm->vm_block) {
/* Undo device virtual mem map */
ct_unmap_audio_buffer(atc, apcm);
apcm->vm_block = NULL;
@ -419,7 +419,7 @@ static int atc_pcm_stop(struct ct_atc *atc, struct ct_atc_pcm *apcm)
src->ops->set_state(src, SRC_STATE_OFF);
src->ops->commit_write(src);
if (NULL != apcm->srccs) {
if (apcm->srccs) {
for (i = 0; i < apcm->n_srcc; i++) {
src = apcm->srccs[i];
src->ops->set_bm(src, 0);
@ -544,18 +544,18 @@ atc_pcm_capture_get_resources(struct ct_atc *atc, struct ct_atc_pcm *apcm)
if (n_srcc) {
apcm->srccs = kzalloc(sizeof(void *)*n_srcc, GFP_KERNEL);
if (NULL == apcm->srccs)
if (!apcm->srccs)
return -ENOMEM;
}
if (n_amixer) {
apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
if (NULL == apcm->amixers) {
if (!apcm->amixers) {
err = -ENOMEM;
goto error1;
}
}
apcm->srcimps = kzalloc(sizeof(void *)*n_srcimp, GFP_KERNEL);
if (NULL == apcm->srcimps) {
if (!apcm->srcimps) {
err = -ENOMEM;
goto error1;
}
@ -818,7 +818,7 @@ static int spdif_passthru_playback_get_resources(struct ct_atc *atc,
/* Get AMIXER resource */
n_amixer = (n_amixer < 2) ? 2 : n_amixer;
apcm->amixers = kzalloc(sizeof(void *)*n_amixer, GFP_KERNEL);
if (NULL == apcm->amixers) {
if (!apcm->amixers) {
err = -ENOMEM;
goto error1;
}
@ -919,7 +919,7 @@ spdif_passthru_playback_prepare(struct ct_atc *atc, struct ct_atc_pcm *apcm)
amixer = apcm->amixers[i];
amixer->ops->setup(amixer, &src->rsc, INIT_VOL, NULL);
src = src->ops->next_interleave(src);
if (NULL == src)
if (!src)
src = apcm->src;
}
/* Connect to SPDIFOO */
@ -1121,7 +1121,7 @@ static int atc_release_resources(struct ct_atc *atc)
struct ct_mixer *mixer = NULL;
/* disconnect internal mixer objects */
if (NULL != atc->mixer) {
if (atc->mixer) {
mixer = atc->mixer;
mixer->set_input_left(mixer, MIX_LINE_IN, NULL);
mixer->set_input_right(mixer, MIX_LINE_IN, NULL);
@ -1131,7 +1131,7 @@ static int atc_release_resources(struct ct_atc *atc)
mixer->set_input_right(mixer, MIX_SPDIF_IN, NULL);
}
if (NULL != atc->daios) {
if (atc->daios) {
daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
for (i = 0; i < atc->n_daio; i++) {
daio = atc->daios[i];
@ -1149,7 +1149,7 @@ static int atc_release_resources(struct ct_atc *atc)
atc->daios = NULL;
}
if (NULL != atc->pcm) {
if (atc->pcm) {
sum_mgr = atc->rsc_mgrs[SUM];
for (i = 0; i < atc->n_pcm; i++)
sum_mgr->put_sum(sum_mgr, atc->pcm[i]);
@ -1158,7 +1158,7 @@ static int atc_release_resources(struct ct_atc *atc)
atc->pcm = NULL;
}
if (NULL != atc->srcs) {
if (atc->srcs) {
src_mgr = atc->rsc_mgrs[SRC];
for (i = 0; i < atc->n_src; i++)
src_mgr->put_src(src_mgr, atc->srcs[i]);
@ -1167,7 +1167,7 @@ static int atc_release_resources(struct ct_atc *atc)
atc->srcs = NULL;
}
if (NULL != atc->srcimps) {
if (atc->srcimps) {
srcimp_mgr = atc->rsc_mgrs[SRCIMP];
for (i = 0; i < atc->n_srcimp; i++) {
srcimp = atc->srcimps[i];
@ -1185,7 +1185,7 @@ static int ct_atc_destroy(struct ct_atc *atc)
{
int i = 0;
if (NULL == atc)
if (!atc)
return 0;
if (atc->timer) {
@ -1196,21 +1196,20 @@ static int ct_atc_destroy(struct ct_atc *atc)
atc_release_resources(atc);
/* Destroy internal mixer objects */
if (NULL != atc->mixer)
if (atc->mixer)
ct_mixer_destroy(atc->mixer);
for (i = 0; i < NUM_RSCTYP; i++) {
if ((NULL != rsc_mgr_funcs[i].destroy) &&
(NULL != atc->rsc_mgrs[i]))
if (rsc_mgr_funcs[i].destroy && atc->rsc_mgrs[i])
rsc_mgr_funcs[i].destroy(atc->rsc_mgrs[i]);
}
if (NULL != atc->hw)
if (atc->hw)
destroy_hw_obj((struct hw *)atc->hw);
/* Destroy device virtual memory manager object */
if (NULL != atc->vm) {
if (atc->vm) {
ct_vm_destroy(atc->vm);
atc->vm = NULL;
}
@ -1275,7 +1274,7 @@ int __devinit ct_atc_create_alsa_devs(struct ct_atc *atc)
alsa_dev_funcs[MIXER].public_name = atc->chip_name;
for (i = 0; i < NUM_CTALSADEVS; i++) {
if (NULL == alsa_dev_funcs[i].create)
if (!alsa_dev_funcs[i].create)
continue;
err = alsa_dev_funcs[i].create(atc, i,
@ -1312,7 +1311,7 @@ static int __devinit atc_create_hw_devs(struct ct_atc *atc)
return err;
for (i = 0; i < NUM_RSCTYP; i++) {
if (NULL == rsc_mgr_funcs[i].create)
if (!rsc_mgr_funcs[i].create)
continue;
err = rsc_mgr_funcs[i].create(atc->hw, &atc->rsc_mgrs[i]);
@ -1339,19 +1338,19 @@ static int atc_get_resources(struct ct_atc *atc)
int err, i;
atc->daios = kzalloc(sizeof(void *)*(DAIONUM), GFP_KERNEL);
if (NULL == atc->daios)
if (!atc->daios)
return -ENOMEM;
atc->srcs = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
if (NULL == atc->srcs)
if (!atc->srcs)
return -ENOMEM;
atc->srcimps = kzalloc(sizeof(void *)*(2*2), GFP_KERNEL);
if (NULL == atc->srcimps)
if (!atc->srcimps)
return -ENOMEM;
atc->pcm = kzalloc(sizeof(void *)*(2*4), GFP_KERNEL);
if (NULL == atc->pcm)
if (!atc->pcm)
return -ENOMEM;
daio_mgr = (struct daio_mgr *)atc->rsc_mgrs[DAIO];
@ -1648,7 +1647,7 @@ int __devinit ct_atc_create(struct snd_card *card, struct pci_dev *pci,
*ratc = NULL;
atc = kzalloc(sizeof(*atc), GFP_KERNEL);
if (NULL == atc)
if (!atc)
return -ENOMEM;
/* Set operations */

30
sound/pci/ctxfi/ctdaio.c
View File

@ -173,7 +173,7 @@ static int dao_set_left_input(struct dao *dao, struct rsc *input)
int i;
entry = kzalloc((sizeof(*entry) * daio->rscl.msr), GFP_KERNEL);
if (NULL == entry)
if (!entry)
return -ENOMEM;
/* Program master and conjugate resources */
@ -201,7 +201,7 @@ static int dao_set_right_input(struct dao *dao, struct rsc *input)
int i;
entry = kzalloc((sizeof(*entry) * daio->rscr.msr), GFP_KERNEL);
if (NULL == entry)
if (!entry)
return -ENOMEM;
/* Program master and conjugate resources */
@ -228,7 +228,7 @@ static int dao_clear_left_input(struct dao *dao)
struct daio *daio = &dao->daio;
int i;
if (NULL == dao->imappers[0])
if (!dao->imappers[0])
return 0;
entry = dao->imappers[0];
@ -252,7 +252,7 @@ static int dao_clear_right_input(struct dao *dao)
struct daio *daio = &dao->daio;
int i;
if (NULL == dao->imappers[daio->rscl.msr])
if (!dao->imappers[daio->rscl.msr])
return 0;
entry = dao->imappers[daio->rscl.msr];
@ -408,7 +408,7 @@ static int dao_rsc_init(struct dao *dao,
return err;
dao->imappers = kzalloc(sizeof(void *)*desc->msr*2, GFP_KERNEL);
if (NULL == dao->imappers) {
if (!dao->imappers) {
err = -ENOMEM;
goto error1;
}
@ -442,11 +442,11 @@ error1:
static int dao_rsc_uninit(struct dao *dao)
{
if (NULL != dao->imappers) {
if (NULL != dao->imappers[0])
if (dao->imappers) {
if (dao->imappers[0])
dao_clear_left_input(dao);
if (NULL != dao->imappers[dao->daio.rscl.msr])
if (dao->imappers[dao->daio.rscl.msr])
dao_clear_right_input(dao);
kfree(dao->imappers);
@ -555,7 +555,7 @@ static int get_daio_rsc(struct daio_mgr *mgr,
/* Allocate mem for daio resource */
if (desc->type <= DAIO_OUT_MAX) {
dao = kzalloc(sizeof(*dao), GFP_KERNEL);
if (NULL == dao) {
if (!dao) {
err = -ENOMEM;
goto error;
}
@ -566,7 +566,7 @@ static int get_daio_rsc(struct daio_mgr *mgr,
*rdaio = &dao->daio;
} else {
dai = kzalloc(sizeof(*dai), GFP_KERNEL);
if (NULL == dai) {
if (!dai) {
err = -ENOMEM;
goto error;
}
@ -583,9 +583,9 @@ static int get_daio_rsc(struct daio_mgr *mgr,
return 0;
error:
if (NULL != dao)
if (dao)
kfree(dao);
else if (NULL != dai)
else if (dai)
kfree(dai);
spin_lock_irqsave(&mgr->mgr_lock, flags);
@ -663,7 +663,7 @@ static int daio_imap_add(struct daio_mgr *mgr, struct imapper *entry)
int err;
spin_lock_irqsave(&mgr->imap_lock, flags);
if ((0 == entry->addr) && (mgr->init_imap_added)) {
if (!entry->addr && mgr->init_imap_added) {
input_mapper_delete(&mgr->imappers, mgr->init_imap,
daio_map_op, mgr);
mgr->init_imap_added = 0;
@ -707,7 +707,7 @@ int daio_mgr_create(void *hw, struct daio_mgr **rdaio_mgr)
*rdaio_mgr = NULL;
daio_mgr = kzalloc(sizeof(*daio_mgr), GFP_KERNEL);
if (NULL == daio_mgr)
if (!daio_mgr)
return -ENOMEM;
err = rsc_mgr_init(&daio_mgr->mgr, DAIO, DAIO_RESOURCE_NUM, hw);
@ -718,7 +718,7 @@ int daio_mgr_create(void *hw, struct daio_mgr **rdaio_mgr)
spin_lock_init(&daio_mgr->imap_lock);
INIT_LIST_HEAD(&daio_mgr->imappers);
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (NULL == entry) {
if (!entry) {
err = -ENOMEM;
goto error2;
}

22
sound/pci/ctxfi/cthw20k1.c
View File

@ -168,7 +168,7 @@ static int src_get_rsc_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -494,7 +494,7 @@ static int src_mgr_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -515,7 +515,7 @@ static int srcimp_mgr_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -702,7 +702,7 @@ static int amixer_rsc_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -723,7 +723,7 @@ static int amixer_mgr_get_ctrl_blk(void **rblk)
*rblk = NULL;
/*blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;*/
@ -909,7 +909,7 @@ static int dai_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -958,7 +958,7 @@ static int dao_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -1152,7 +1152,7 @@ static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
blk->i2sctl = hw_read_20kx(hw, I2SCTL);
@ -1808,7 +1808,7 @@ static int uaa_to_xfi(struct pci_dev *pci)
/* By default, Hendrix card UAA Bar0 should be using memory... */
io_base = pci_resource_start(pci, 0);
mem_base = ioremap(io_base, pci_resource_len(pci, 0));
if (NULL == mem_base)
if (!mem_base)
return -ENOENT;
/* Read current mode from Mode Change Register */
@ -1977,7 +1977,7 @@ static int hw_card_shutdown(struct hw *hw)
hw->irq = -1;
if (NULL != ((void *)hw->mem_base))
if (hw->mem_base)
iounmap((void *)hw->mem_base);
hw->mem_base = (unsigned long)NULL;
@ -2274,7 +2274,7 @@ int __devinit create_20k1_hw_obj(struct hw **rhw)
*rhw = NULL;
hw20k1 = kzalloc(sizeof(*hw20k1), GFP_KERNEL);
if (NULL == hw20k1)
if (!hw20k1)
return -ENOMEM;
spin_lock_init(&hw20k1->reg_20k1_lock);

18
sound/pci/ctxfi/cthw20k2.c
View File

@ -166,7 +166,7 @@ static int src_get_rsc_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -492,7 +492,7 @@ static int src_mgr_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -513,7 +513,7 @@ static int srcimp_mgr_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -702,7 +702,7 @@ static int amixer_rsc_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -891,7 +891,7 @@ static int dai_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -941,7 +941,7 @@ static int dao_get_ctrl_blk(void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
*rblk = blk;
@ -1092,7 +1092,7 @@ static int daio_mgr_get_ctrl_blk(struct hw *hw, void **rblk)
*rblk = NULL;
blk = kzalloc(sizeof(*blk), GFP_KERNEL);
if (NULL == blk)
if (!blk)
return -ENOMEM;
for (i = 0; i < 8; i++) {
@ -1904,7 +1904,7 @@ static int hw_card_start(struct hw *hw)
hw->io_base = pci_resource_start(hw->pci, 2);
hw->mem_base = (unsigned long)ioremap(hw->io_base,
pci_resource_len(hw->pci, 2));
if (NULL == (void *)hw->mem_base) {
if (!hw->mem_base) {
err = -ENOENT;
goto error2;
}
@ -1962,7 +1962,7 @@ static int hw_card_shutdown(struct hw *hw)
hw->irq = -1;
if (NULL != ((void *)hw->mem_base))
if (hw->mem_base)
iounmap((void *)hw->mem_base);
hw->mem_base = (unsigned long)NULL;

8
sound/pci/ctxfi/ctmixer.c
View File

@ -654,7 +654,7 @@ ct_mixer_kcontrol_new(struct ct_mixer *mixer, struct snd_kcontrol_new *new)
int err;
kctl = snd_ctl_new1(new, mixer->atc);
if (NULL == kctl)
if (!kctl)
return -ENOMEM;
if (SNDRV_CTL_ELEM_IFACE_PCM == kctl->id.iface)
@ -837,17 +837,17 @@ static int ct_mixer_get_mem(struct ct_mixer **rmixer)
*rmixer = NULL;
/* Allocate mem for mixer obj */
mixer = kzalloc(sizeof(*mixer), GFP_KERNEL);
if (NULL == mixer)
if (!mixer)
return -ENOMEM;
mixer->amixers = kzalloc(sizeof(void *)*(NUM_CT_AMIXERS*CHN_NUM),
GFP_KERNEL);
if (NULL == mixer->amixers) {
if (!mixer->amixers) {
err = -ENOMEM;
goto error1;
}
mixer->sums = kzalloc(sizeof(void *)*(NUM_CT_SUMS*CHN_NUM), GFP_KERNEL);
if (NULL == mixer->sums) {
if (!mixer->sums) {
err = -ENOMEM;
goto error2;
}

6
sound/pci/ctxfi/ctpcm.c
View File

@ -97,7 +97,7 @@ static void ct_atc_pcm_interrupt(struct ct_atc_pcm *atc_pcm)
{
struct ct_atc_pcm *apcm = atc_pcm;
if (NULL == apcm->substream)
if (!apcm->substream)
return;
snd_pcm_period_elapsed(apcm->substream);
@ -123,7 +123,7 @@ static int ct_pcm_playback_open(struct snd_pcm_substream *substream)
int err;
apcm = kzalloc(sizeof(*apcm), GFP_KERNEL);
if (NULL == apcm)
if (!apcm)
return -ENOMEM;
apcm->substream = substream;
@ -271,7 +271,7 @@ static int ct_pcm_capture_open(struct snd_pcm_substream *substream)
int err;
apcm = kzalloc(sizeof(*apcm), GFP_KERNEL);
if (NULL == apcm)
if (!apcm)
return -ENOMEM;
apcm->started = 0;

4
sound/pci/ctxfi/ctresource.c
View File

@ -144,7 +144,7 @@ int rsc_init(struct rsc *rsc, u32 idx, enum RSCTYP type, u32 msr, void *hw)
rsc->msr = msr;
rsc->hw = hw;
rsc->ops = &rsc_generic_ops;
if (NULL == hw) {
if (!hw) {
rsc->ctrl_blk = NULL;
return 0;
}
@ -216,7 +216,7 @@ int rsc_mgr_init(struct rsc_mgr *mgr, enum RSCTYP type,
mgr->type = NUM_RSCTYP;
mgr->rscs = kzalloc(((amount + 8 - 1) / 8), GFP_KERNEL);
if (NULL == mgr->rscs)
if (!mgr->rscs)
return -ENOMEM;
switch (type) {

10
sound/pci/ctxfi/ctsrc.c
View File

@ -441,7 +441,7 @@ get_src_rsc(struct src_mgr *mgr, const struct src_desc *desc, struct src **rsrc)
else
src = kzalloc(sizeof(*src), GFP_KERNEL);
if (NULL == src) {
if (!src) {
err = -ENOMEM;
goto error1;
}
@ -550,7 +550,7 @@ int src_mgr_create(void *hw, struct src_mgr **rsrc_mgr)
*rsrc_mgr = NULL;
src_mgr = kzalloc(sizeof(*src_mgr), GFP_KERNEL);
if (NULL == src_mgr)
if (!src_mgr)
return -ENOMEM;
err = rsc_mgr_init(&src_mgr->mgr, SRC, SRC_RESOURCE_NUM, hw);
@ -679,7 +679,7 @@ static int srcimp_rsc_init(struct srcimp *srcimp,
/* Reserve memory for imapper nodes */
srcimp->imappers = kzalloc(sizeof(struct imapper)*desc->msr,
GFP_KERNEL);
if (NULL == srcimp->imappers) {
if (!srcimp->imappers) {
err = -ENOMEM;
goto error1;
}
@ -833,7 +833,7 @@ int srcimp_mgr_create(void *hw, struct srcimp_mgr **rsrcimp_mgr)
*rsrcimp_mgr = NULL;
srcimp_mgr = kzalloc(sizeof(*srcimp_mgr), GFP_KERNEL);
if (NULL == srcimp_mgr)
if (!srcimp_mgr)
return -ENOMEM;
err = rsc_mgr_init(&srcimp_mgr->mgr, SRCIMP, SRCIMP_RESOURCE_NUM, hw);
@ -844,7 +844,7 @@ int srcimp_mgr_create(void *hw, struct srcimp_mgr **rsrcimp_mgr)
spin_lock_init(&srcimp_mgr->imap_lock);
INIT_LIST_HEAD(&srcimp_mgr->imappers);
entry = kzalloc(sizeof(*entry), GFP_KERNEL);
if (NULL == entry) {
if (!entry) {
err = -ENOMEM;
goto error2;
}

6
sound/pci/ctxfi/ctvmem.c
View File

@ -60,7 +60,7 @@ get_vm_block(struct ct_vm *vm, unsigned int size)
}
block = kzalloc(sizeof(*block), GFP_KERNEL);
if (NULL == block)
if (!block)
goto out;
block->addr = entry->addr;
@ -181,7 +181,7 @@ int ct_vm_create(struct ct_vm **rvm)
*rvm = NULL;
vm = kzalloc(sizeof(*vm), GFP_KERNEL);
if (NULL == vm)
if (!vm)
return -ENOMEM;
mutex_init(&vm->lock);
@ -189,7 +189,7 @@ int ct_vm_create(struct ct_vm **rvm)
/* Allocate page table pages */
for (i = 0; i < CT_PTP_NUM; i++) {
vm->ptp[i] = kmalloc(PAGE_SIZE, GFP_KERNEL);
if (NULL == vm->ptp[i])
if (!vm->ptp[i])
break;
}
if (!i) {