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.
Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/isa/gus/gus_main.c | 18 +++++--- sound/isa/gus/gus_mem.c | 3 +- sound/isa/gus/gus_mixer.c | 6 ++- sound/isa/gus/gus_pcm.c | 23 ++++++---- sound/isa/gus/gus_uart.c | 3 +- sound/isa/gus/gusclassic.c | 6 ++- sound/isa/gus/gusextreme.c | 6 ++- sound/isa/gus/gusmax.c | 36 ++++++++++----- sound/isa/gus/interwave.c | 90 ++++++++++++++++++++++++-------------- 9 files changed, 124 insertions(+), 67 deletions(-)
diff --git a/sound/isa/gus/gus_main.c b/sound/isa/gus/gus_main.c index 46bfc5ae17c0..e7abbba9f377 100644 --- a/sound/isa/gus/gus_main.c +++ b/sound/isa/gus/gus_main.c @@ -165,12 +165,14 @@ int snd_gus_create(struct snd_card *card, gus->gf1.reg_timerctrl = GUSP(gus, TIMERCNTRL); gus->gf1.reg_timerdata = GUSP(gus, TIMERDATA); /* allocate resources */ - if ((gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)")) == NULL) { + gus->gf1.res_port1 = request_region(port, 16, "GUS GF1 (Adlib/SB)"); + if (!gus->gf1.res_port1) { snd_printk(KERN_ERR "gus: can't grab SB port 0x%lx\n", port); snd_gus_free(gus); return -EBUSY; } - if ((gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)")) == NULL) { + gus->gf1.res_port2 = request_region(port + 0x100, 12, "GUS GF1 (Synth)"); + if (!gus->gf1.res_port2) { snd_printk(KERN_ERR "gus: can't grab synth port 0x%lx\n", port + 0x100); snd_gus_free(gus); return -EBUSY; @@ -215,7 +217,8 @@ int snd_gus_create(struct snd_card *card, gus->gf1.pcm_channels = pcm_channels; gus->gf1.volume_ramp = 25; gus->gf1.smooth_pan = 1; - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops)) < 0) { + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, gus, &ops); + if (err < 0) { snd_gus_free(gus); return err; } @@ -404,14 +407,17 @@ int snd_gus_initialize(struct snd_gus_card *gus) int err;
if (!gus->interwave) { - if ((err = snd_gus_check_version(gus)) < 0) { + err = snd_gus_check_version(gus); + if (err < 0) { snd_printk(KERN_ERR "version check failed\n"); return err; } - if ((err = snd_gus_detect_memory(gus)) < 0) + err = snd_gus_detect_memory(gus); + if (err < 0) return err; } - if ((err = snd_gus_init_dma_irq(gus, 1)) < 0) + err = snd_gus_init_dma_irq(gus, 1); + if (err < 0) return err; snd_gf1_start(gus); gus->initialized = 1; diff --git a/sound/isa/gus/gus_mem.c b/sound/isa/gus/gus_mem.c index cb02d18dde60..ff9480f249fe 100644 --- a/sound/isa/gus/gus_mem.c +++ b/sound/isa/gus/gus_mem.c @@ -210,7 +210,8 @@ int snd_gf1_mem_free(struct snd_gf1_mem * alloc, unsigned int address) struct snd_gf1_mem_block *block;
snd_gf1_mem_lock(alloc, 0); - if ((block = snd_gf1_mem_look(alloc, address)) != NULL) { + block = snd_gf1_mem_look(alloc, address); + if (block) { result = snd_gf1_mem_xfree(alloc, block); snd_gf1_mem_lock(alloc, 1); return result; diff --git a/sound/isa/gus/gus_mixer.c b/sound/isa/gus/gus_mixer.c index 201d0c40d0d9..03f9cfcbf601 100644 --- a/sound/isa/gus/gus_mixer.c +++ b/sound/isa/gus/gus_mixer.c @@ -162,12 +162,14 @@ int snd_gf1_new_mixer(struct snd_gus_card * gus) if (!gus->ics_flag) { max = gus->ess_flag ? 1 : ARRAY_SIZE(snd_gf1_controls); for (idx = 0; idx < max; idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_gf1_controls[idx], gus)); + if (err < 0) return err; } } else { for (idx = 0; idx < ARRAY_SIZE(snd_ics_controls); idx++) { - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus))) < 0) + err = snd_ctl_add(card, snd_ctl_new1(&snd_ics_controls[idx], gus)); + if (err < 0) return err; } } 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;
diff --git a/sound/isa/gus/gus_uart.c b/sound/isa/gus/gus_uart.c index 4fb4ed79e262..3975848160e7 100644 --- a/sound/isa/gus/gus_uart.c +++ b/sound/isa/gus/gus_uart.c @@ -232,7 +232,8 @@ int snd_gf1_rawmidi_new(struct snd_gus_card *gus, int device) struct snd_rawmidi *rmidi; int err;
- if ((err = snd_rawmidi_new(gus->card, "GF1", device, 1, 1, &rmidi)) < 0) + err = snd_rawmidi_new(gus->card, "GF1", device, 1, 1, &rmidi); + if (err < 0) return err; strcpy(rmidi->name, gus->interwave ? "AMD InterWave" : "GF1"); snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_gf1_uart_output); diff --git a/sound/isa/gus/gusclassic.c b/sound/isa/gus/gusclassic.c index 0fba5d8fe84f..bca1caa4968c 100644 --- a/sound/isa/gus/gusclassic.c +++ b/sound/isa/gus/gusclassic.c @@ -113,14 +113,16 @@ static int snd_gusclassic_detect(struct snd_gus_card *gus) unsigned char d;
snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ - if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { + d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET); + if ((d & 0x07) != 0) { snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); return -ENODEV; } udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ udelay(160); - if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { + d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET); + if ((d & 0x07) != 1) { snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); return -ENODEV; } diff --git a/sound/isa/gus/gusextreme.c b/sound/isa/gus/gusextreme.c index da2b2ca6b721..a409a4a29afc 100644 --- a/sound/isa/gus/gusextreme.c +++ b/sound/isa/gus/gusextreme.c @@ -177,14 +177,16 @@ static int snd_gusextreme_detect(struct snd_gus_card *gus, udelay(100);
snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ - if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { + d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET); + if ((d & 0x07) != 0) { snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); return -EIO; } udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ udelay(160); - if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { + d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET); + if ((d & 0x07) != 1) { snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); return -EIO; } diff --git a/sound/isa/gus/gusmax.c b/sound/isa/gus/gusmax.c index 24b945f1768d..ad118d462142 100644 --- a/sound/isa/gus/gusmax.c +++ b/sound/isa/gus/gusmax.c @@ -71,14 +71,16 @@ static int snd_gusmax_detect(struct snd_gus_card *gus) unsigned char d;
snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ - if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { + d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET); + if ((d & 0x07) != 0) { snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); return -ENODEV; } udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ udelay(160); - if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { + d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET); + if ((d & 0x07) != 1) { snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); return -ENODEV; } @@ -136,20 +138,24 @@ static int snd_gusmax_mixer(struct snd_wss *chip) /* reassign AUXA to SYNTHESIZER */ strcpy(id1.name, "Aux Playback Switch"); strcpy(id2.name, "Synth Playback Switch"); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; strcpy(id1.name, "Aux Playback Volume"); strcpy(id2.name, "Synth Playback Volume"); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; /* reassign AUXB to CD */ strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; strcpy(id2.name, "CD Playback Switch"); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; strcpy(id1.name, "Aux Playback Volume"); strcpy(id2.name, "CD Playback Volume"); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; #if 0 /* reassign Mono Input to MIC */ @@ -209,7 +215,8 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev) xirq = irq[dev]; if (xirq == SNDRV_AUTO_IRQ) { - if ((xirq = snd_legacy_find_free_irq(possible_irqs)) < 0) { + xirq = snd_legacy_find_free_irq(possible_irqs); + if (xirq < 0) { snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); err = -EBUSY; goto _err; @@ -217,7 +224,8 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev) } xdma1 = dma1[dev]; if (xdma1 == SNDRV_AUTO_DMA) { - if ((xdma1 = snd_legacy_find_free_dma(possible_dmas)) < 0) { + xdma1 = snd_legacy_find_free_dma(possible_dmas); + if (xdma1 < 0) { snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); err = -EBUSY; goto _err; @@ -225,7 +233,8 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev) } xdma2 = dma2[dev]; if (xdma2 == SNDRV_AUTO_DMA) { - if ((xdma2 = snd_legacy_find_free_dma(possible_dmas)) < 0) { + xdma2 = snd_legacy_find_free_dma(possible_dmas); + if (xdma2 < 0) { snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); err = -EBUSY; goto _err; @@ -260,13 +269,15 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev) if (err < 0) goto _err;
- if ((err = snd_gusmax_detect(gus)) < 0) + err = snd_gusmax_detect(gus); + if (err < 0) goto _err;
maxcard->gus_status_reg = gus->gf1.reg_irqstat; maxcard->pcm_status_reg = gus->gf1.port + 0x10c + 2; snd_gusmax_init(dev, card, gus); - if ((err = snd_gus_initialize(gus)) < 0) + err = snd_gus_initialize(gus); + if (err < 0) goto _err;
if (!gus->max_flag) { @@ -307,7 +318,8 @@ static int snd_gusmax_probe(struct device *pdev, unsigned int dev) goto _err;
if (pcm_channels[dev] > 0) { - if ((err = snd_gf1_pcm_new(gus, 1, 1)) < 0) + err = snd_gf1_pcm_new(gus, 1, 1); + if (err < 0) goto _err; } err = snd_gusmax_mixer(wss); diff --git a/sound/isa/gus/interwave.c b/sound/isa/gus/interwave.c index 99581fba4ca8..755de47d0bb6 100644 --- a/sound/isa/gus/interwave.c +++ b/sound/isa/gus/interwave.c @@ -204,7 +204,8 @@ static int snd_interwave_detect_stb(struct snd_interwave *iwcard, port = 0x360; } while (port <= 0x380) { - if ((iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)")) != NULL) + iwcard->i2c_res = request_region(port, 1, "InterWave (I2C bus)"); + if (iwcard->i2c_res) break; port += 0x10; } @@ -217,11 +218,13 @@ static int snd_interwave_detect_stb(struct snd_interwave *iwcard, }
sprintf(name, "InterWave-%i", card->number); - if ((err = snd_i2c_bus_create(card, name, NULL, &bus)) < 0) + err = snd_i2c_bus_create(card, name, NULL, &bus); + if (err < 0) return err; bus->private_value = port; bus->hw_ops.bit = &snd_interwave_i2c_bit_ops; - if ((err = snd_tea6330t_detect(bus, 0)) < 0) + err = snd_tea6330t_detect(bus, 0); + if (err < 0) return err; *rbus = bus; return 0; @@ -241,14 +244,16 @@ static int snd_interwave_detect(struct snd_interwave *iwcard, int d;
snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 0); /* reset GF1 */ - if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 0) { + d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET); + if ((d & 0x07) != 0) { snd_printdd("[0x%lx] check 1 failed - 0x%x\n", gus->gf1.port, d); return -ENODEV; } udelay(160); snd_gf1_i_write8(gus, SNDRV_GF1_GB_RESET, 1); /* release reset */ udelay(160); - if (((d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET)) & 0x07) != 1) { + d = snd_gf1_i_look8(gus, SNDRV_GF1_GB_RESET); + if ((d & 0x07) != 1) { snd_printdd("[0x%lx] check 2 failed - 0x%x\n", gus->gf1.port, d); return -ENODEV; } @@ -493,16 +498,20 @@ static int snd_interwave_mixer(struct snd_wss *chip) #if 0 /* remove mono microphone controls */ strcpy(id1.name, "Mic Playback Switch"); - if ((err = snd_ctl_remove_id(card, &id1)) < 0) + err = snd_ctl_remove_id(card, &id1); + if (err < 0) return err; strcpy(id1.name, "Mic Playback Volume"); - if ((err = snd_ctl_remove_id(card, &id1)) < 0) + err = snd_ctl_remove_id(card, &id1); + if (err < 0) return err; #endif /* add new master and mic controls */ - for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++) - if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip))) < 0) + for (idx = 0; idx < ARRAY_SIZE(snd_interwave_controls); idx++) { + err = snd_ctl_add(card, snd_ctl_new1(&snd_interwave_controls[idx], chip)); + if (err < 0) return err; + } snd_wss_out(chip, CS4231_LINE_LEFT_OUTPUT, 0x9f); snd_wss_out(chip, CS4231_LINE_RIGHT_OUTPUT, 0x9f); snd_wss_out(chip, CS4231_LEFT_MIC_INPUT, 0x9f); @@ -510,20 +519,24 @@ static int snd_interwave_mixer(struct snd_wss *chip) /* reassign AUXA to SYNTHESIZER */ strcpy(id1.name, "Aux Playback Switch"); strcpy(id2.name, "Synth Playback Switch"); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; strcpy(id1.name, "Aux Playback Volume"); strcpy(id2.name, "Synth Playback Volume"); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; /* reassign AUXB to CD */ strcpy(id1.name, "Aux Playback Switch"); id1.index = 1; strcpy(id2.name, "CD Playback Switch"); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; strcpy(id1.name, "Aux Playback Volume"); strcpy(id2.name, "CD Playback Volume"); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; return 0; } @@ -633,18 +646,20 @@ static int snd_interwave_probe(struct snd_card *card, int dev) xdma1 = dma1[dev]; xdma2 = dma2[dev];
- if ((err = snd_gus_create(card, - port[dev], - -xirq, xdma1, xdma2, - 0, 32, - pcm_channels[dev], effect[dev], &gus)) < 0) + err = snd_gus_create(card, + port[dev], + -xirq, xdma1, xdma2, + 0, 32, + pcm_channels[dev], effect[dev], &gus); + if (err < 0) return err;
- if ((err = snd_interwave_detect(iwcard, gus, dev + err = snd_interwave_detect(iwcard, gus, dev #ifdef SNDRV_STB - , &i2c_bus + , &i2c_bus #endif - )) < 0) + ); + if (err < 0) return err;
iwcard->gus_status_reg = gus->gf1.reg_irqstat; @@ -652,7 +667,8 @@ static int snd_interwave_probe(struct snd_card *card, int dev)
snd_interwave_init(dev, gus); snd_interwave_detect_memory(gus); - if ((err = snd_gus_initialize(gus)) < 0) + err = snd_gus_initialize(gus); + if (err < 0) return err;
if (request_irq(xirq, snd_interwave_interrupt, 0, @@ -708,19 +724,23 @@ static int snd_interwave_probe(struct snd_card *card, int dev) strcpy(id1.name, "Master Playback Switch"); strcpy(id2.name, id1.name); id2.index = 1; - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; strcpy(id1.name, "Master Playback Volume"); strcpy(id2.name, id1.name); - if ((err = snd_ctl_rename_id(card, &id1, &id2)) < 0) + err = snd_ctl_rename_id(card, &id1, &id2); + if (err < 0) return err; - if ((err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1)) < 0) + err = snd_tea6330t_update_mixer(card, i2c_bus, 0, 1); + if (err < 0) return err; } #endif
gus->uart_enable = midi[dev]; - if ((err = snd_gf1_rawmidi_new(gus, 0)) < 0) + err = snd_gf1_rawmidi_new(gus, 0); + if (err < 0) return err;
#ifndef SNDRV_STB @@ -758,7 +778,8 @@ static int snd_interwave_isa_probe1(int dev, struct device *devptr) if (err < 0) return err;
- if ((err = snd_interwave_probe(card, dev)) < 0) { + err = snd_interwave_probe(card, dev); + if (err < 0) { snd_card_free(card); return err; } @@ -786,19 +807,22 @@ static int snd_interwave_isa_probe(struct device *pdev, static const int possible_dmas[] = {0, 1, 3, 5, 6, 7, -1};
if (irq[dev] == SNDRV_AUTO_IRQ) { - if ((irq[dev] = snd_legacy_find_free_irq(possible_irqs)) < 0) { + irq[dev] = snd_legacy_find_free_irq(possible_irqs); + if (irq[dev] < 0) { snd_printk(KERN_ERR PFX "unable to find a free IRQ\n"); return -EBUSY; } } if (dma1[dev] == SNDRV_AUTO_DMA) { - if ((dma1[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) { + dma1[dev] = snd_legacy_find_free_dma(possible_dmas); + if (dma1[dev] < 0) { snd_printk(KERN_ERR PFX "unable to find a free DMA1\n"); return -EBUSY; } } if (dma2[dev] == SNDRV_AUTO_DMA) { - if ((dma2[dev] = snd_legacy_find_free_dma(possible_dmas)) < 0) { + dma2[dev] = snd_legacy_find_free_dma(possible_dmas); + if (dma2[dev] < 0) { snd_printk(KERN_ERR PFX "unable to find a free DMA2\n"); return -EBUSY; } @@ -853,11 +877,13 @@ static int snd_interwave_pnp_detect(struct pnp_card_link *pcard, if (res < 0) return res;
- if ((res = snd_interwave_pnp(dev, card->private_data, pcard, pid)) < 0) { + res = snd_interwave_pnp(dev, card->private_data, pcard, pid); + if (res < 0) { snd_card_free(card); return res; } - if ((res = snd_interwave_probe(card, dev)) < 0) { + res = snd_interwave_probe(card, dev); + if (res < 0) { snd_card_free(card); return res; }