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| author | Takashi Iwai <tiwai@suse.de> | 2021-06-08 16:04:38 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-06-09 17:29:39 +0200 |
| commit | 310efd3aabf2305737b3de2dbdc544d5725e3a52 (patch) | |
| tree | 5a422068ac360a2b45d8e29b20583b58b04b1733 /sound/isa/gus/gus_pcm.c | |
| parent | c305366a37441c2ac90b08711cb6f032b43672f2 (diff) | |
| download | linux-310efd3aabf2305737b3de2dbdc544d5725e3a52.tar.gz linux-310efd3aabf2305737b3de2dbdc544d5725e3a52.tar.bz2 linux-310efd3aabf2305737b3de2dbdc544d5725e3a52.zip | |
ALSA: gus: Fix assignment in if condition
ISA GUS driver code contains lots of assignments in if condition,
which is a bad coding style that may confuse readers and occasionally
lead to bugs.
This patch is merely for coding-style fixes, no functional changes.
Link: https://lore.kernel.org/r/20210608140540.17885-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/isa/gus/gus_pcm.c')
| -rw-r--r-- | sound/isa/gus/gus_pcm.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/sound/isa/gus/gus_pcm.c b/sound/isa/gus/gus_pcm.c index aca4ab90e5bc..230f65a0e4b0 100644 --- a/sound/isa/gus/gus_pcm.c +++ b/sound/isa/gus/gus_pcm.c @@ -430,17 +430,19 @@ static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream, snd_gf1_mem_free(&gus->gf1.mem_alloc, pcmp->memory); pcmp->memory = 0; } - if ((block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc, - SNDRV_GF1_MEM_OWNER_DRIVER, - "GF1 PCM", - runtime->dma_bytes, 1, 32, - NULL)) == NULL) + block = snd_gf1_mem_alloc(&gus->gf1.mem_alloc, + SNDRV_GF1_MEM_OWNER_DRIVER, + "GF1 PCM", + runtime->dma_bytes, 1, 32, + NULL); + if (!block) return -ENOMEM; pcmp->memory = block->ptr; } pcmp->voices = params_channels(hw_params); if (pcmp->pvoices[0] == NULL) { - if ((pcmp->pvoices[0] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0)) == NULL) + pcmp->pvoices[0] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0); + if (!pcmp->pvoices[0]) return -ENOMEM; pcmp->pvoices[0]->handler_wave = snd_gf1_pcm_interrupt_wave; pcmp->pvoices[0]->handler_volume = snd_gf1_pcm_interrupt_volume; @@ -448,7 +450,8 @@ static int snd_gf1_pcm_playback_hw_params(struct snd_pcm_substream *substream, pcmp->pvoices[0]->private_data = pcmp; } if (pcmp->voices > 1 && pcmp->pvoices[1] == NULL) { - if ((pcmp->pvoices[1] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0)) == NULL) + pcmp->pvoices[1] = snd_gf1_alloc_voice(pcmp->gus, SNDRV_GF1_VOICE_TYPE_PCM, 0, 0); + if (!pcmp->pvoices[1]) return -ENOMEM; pcmp->pvoices[1]->handler_wave = snd_gf1_pcm_interrupt_wave; pcmp->pvoices[1]->handler_volume = snd_gf1_pcm_interrupt_volume; @@ -689,7 +692,8 @@ static int snd_gf1_pcm_playback_open(struct snd_pcm_substream *substream) printk(KERN_DEBUG "playback.buffer = 0x%lx, gf1.pcm_buffer = 0x%lx\n", (long) pcm->playback.buffer, (long) gus->gf1.pcm_buffer); #endif - if ((err = snd_gf1_dma_init(gus)) < 0) + err = snd_gf1_dma_init(gus); + if (err < 0) return err; pcmp->flags = SNDRV_GF1_PCM_PFLG_NONE; pcmp->substream = substream; @@ -888,7 +892,8 @@ int snd_gf1_pcm_new(struct snd_gus_card *gus, int pcm_dev, int control_index) kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control1, gus); else kctl = snd_ctl_new1(&snd_gf1_pcm_volume_control, gus); - if ((err = snd_ctl_add(card, kctl)) < 0) + err = snd_ctl_add(card, kctl); + if (err < 0) return err; kctl->id.index = control_index; |