ALSA: dummy driver - do not use assignment in if condition
Jaroslav Kysela [Fri, 15 Aug 2008 10:59:02 +0000 (12:59 +0200)]
checkpatch.pl does not like assignment in if condition

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

sound/drivers/dummy.c

index 4f900d8..e5e749f 100644 (file)
@@ -47,9 +47,11 @@ MODULE_SUPPORTED_DEVICE("{{ALSA,Dummy soundcard}}");
 static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime)
 {
        int err;
-       if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0)
+       err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
+       if (err < 0)
                return err;
-       if ((err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0)
+       err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX);
+       if (err) < 0)
                return err;
        return 0;
 }
@@ -363,7 +365,8 @@ static int snd_card_dummy_playback_open(struct snd_pcm_substream *substream)
        }
        if (substream->pcm->device & 2)
                runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID);
-       if ((err = add_playback_constraints(runtime)) < 0)
+       err = add_playback_constraints(runtime);
+       if (err < 0)
                return err;
 
        return 0;
@@ -387,7 +390,8 @@ static int snd_card_dummy_capture_open(struct snd_pcm_substream *substream)
        }
        if (substream->pcm->device & 2)
                runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID);
-       if ((err = add_capture_constraints(runtime)) < 0)
+       err = add_capture_constraints(runtime);
+       if (err < 0)
                return err;
 
        return 0;
@@ -431,8 +435,9 @@ static int __devinit snd_card_dummy_pcm(struct snd_dummy *dummy, int device,
        struct snd_pcm *pcm;
        int err;
 
-       if ((err = snd_pcm_new(dummy->card, "Dummy PCM", device,
-                              substreams, substreams, &pcm)) < 0)
+       err = snd_pcm_new(dummy->card, "Dummy PCM", device,
+                              substreams, substreams, &pcm);
+       if (err < 0)
                return err;
        dummy->pcm = pcm;
        snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_card_dummy_playback_ops);
@@ -569,7 +574,8 @@ static int __devinit snd_card_dummy_new_mixer(struct snd_dummy *dummy)
        strcpy(card->mixername, "Dummy Mixer");
 
        for (idx = 0; idx < ARRAY_SIZE(snd_dummy_controls); idx++) {
-               if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy))) < 0)
+               err = snd_ctl_add(card, snd_ctl_new1(&snd_dummy_controls[idx], dummy));
+               if (err < 0)
                        return err;
        }
        return 0;
@@ -593,10 +599,12 @@ static int __devinit snd_dummy_probe(struct platform_device *devptr)
                        pcm_substreams[dev] = 1;
                if (pcm_substreams[dev] > MAX_PCM_SUBSTREAMS)
                        pcm_substreams[dev] = MAX_PCM_SUBSTREAMS;
-               if ((err = snd_card_dummy_pcm(dummy, idx, pcm_substreams[dev])) < 0)
+               err = snd_card_dummy_pcm(dummy, idx, pcm_substreams[dev]);
+               if (err < 0)
                        goto __nodev;
        }
-       if ((err = snd_card_dummy_new_mixer(dummy)) < 0)
+       err = snd_card_dummy_new_mixer(dummy);
+       if (err < 0)
                goto __nodev;
        strcpy(card->driver, "Dummy");
        strcpy(card->shortname, "Dummy");
@@ -604,7 +612,8 @@ static int __devinit snd_dummy_probe(struct platform_device *devptr)
 
        snd_card_set_dev(card, &devptr->dev);
 
-       if ((err = snd_card_register(card)) == 0) {
+       err = snd_card_register(card);
+       if (err == 0) {
                platform_set_drvdata(devptr, card);
                return 0;
        }
@@ -667,7 +676,8 @@ static int __init alsa_card_dummy_init(void)
 {
        int i, cards, err;
 
-       if ((err = platform_driver_register(&snd_dummy_driver)) < 0)
+       err = platform_driver_register(&snd_dummy_driver);
+       if (err < 0)
                return err;
 
        cards = 0;