From: Markus Elfring <[email protected]>
Date: Fri, 17 Nov 2017 21:00:37 +0100

The script "checkpatch.pl" pointed information out like the following.

ERROR: do not use assignment in if condition

Thus fix affected source code places.

Signed-off-by: Markus Elfring <[email protected]>
---
 sound/pci/rme32.c | 65 ++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 43 insertions(+), 22 deletions(-)

diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
index f0906ba416d4..e58e9873c514 100644
--- a/sound/pci/rme32.c
+++ b/sound/pci/rme32.c
@@ -691,11 +691,16 @@ snd_rme32_playback_hw_params(struct snd_pcm_substream 
*substream,
                        spin_unlock_irq(&rme32->lock);
                        return -EIO;
                }
-       } else if ((err = snd_rme32_playback_setrate(rme32, 
params_rate(params))) < 0) {
-               spin_unlock_irq(&rme32->lock);
-               return err;
+       } else {
+               err = snd_rme32_playback_setrate(rme32, params_rate(params));
+               if (err < 0) {
+                       spin_unlock_irq(&rme32->lock);
+                       return err;
+               }
        }
-       if ((err = snd_rme32_setformat(rme32, params_format(params))) < 0) {
+
+       err = snd_rme32_setformat(rme32, params_format(params));
+       if (err < 0) {
                spin_unlock_irq(&rme32->lock);
                return err;
        }
@@ -743,15 +748,18 @@ snd_rme32_capture_hw_params(struct snd_pcm_substream 
*substream,
        rme32->wcreg |= RME32_WCR_AUTOSYNC;
        writel(rme32->wcreg, rme32->iobase + RME32_IO_CONTROL_REGISTER);
 
-       if ((err = snd_rme32_setformat(rme32, params_format(params))) < 0) {
+       err = snd_rme32_setformat(rme32, params_format(params));
+       if (err < 0) {
                spin_unlock_irq(&rme32->lock);
                return err;
        }
-       if ((err = snd_rme32_playback_setrate(rme32, params_rate(params))) < 0) 
{
+       err = snd_rme32_playback_setrate(rme32, params_rate(params));
+       if (err < 0) {
                spin_unlock_irq(&rme32->lock);
                return err;
        }
-       if ((rate = snd_rme32_capture_getrate(rme32, &isadat)) > 0) {
+       rate = snd_rme32_capture_getrate(rme32, &isadat);
+       if (rate > 0) {
                 if ((int)params_rate(params) != rate) {
                        spin_unlock_irq(&rme32->lock);
                         return -EIO;                    
@@ -923,7 +931,9 @@ static int snd_rme32_capture_spdif_open(struct 
snd_pcm_substream *substream)
                runtime->hw.rates |= SNDRV_PCM_RATE_88200 | 
SNDRV_PCM_RATE_96000;
                runtime->hw.rate_max = 96000;
        }
-       if ((rate = snd_rme32_capture_getrate(rme32, &isadat)) > 0) {
+
+       rate = snd_rme32_capture_getrate(rme32, &isadat);
+       if (rate > 0) {
                if (isadat) {
                        return -EIO;
                }
@@ -983,7 +993,9 @@ snd_rme32_capture_adat_open(struct snd_pcm_substream 
*substream)
                runtime->hw = snd_rme32_adat_fd_info;
        else
                runtime->hw = snd_rme32_adat_info;
-       if ((rate = snd_rme32_capture_getrate(rme32, &isadat)) > 0) {
+
+       rate = snd_rme32_capture_getrate(rme32, &isadat);
+       if (rate > 0) {
                if (!isadat) {
                        return -EIO;
                }
@@ -1357,10 +1369,12 @@ static int snd_rme32_create(struct rme32 *rme32)
        rme32->irq = -1;
        spin_lock_init(&rme32->lock);
 
-       if ((err = pci_enable_device(pci)) < 0)
+       err = pci_enable_device(pci);
+       if (err < 0)
                return err;
 
-       if ((err = pci_request_regions(pci, "RME32")) < 0)
+       err = pci_request_regions(pci, "RME32");
+       if (err < 0)
                return err;
        rme32->port = pci_resource_start(rme32->pci, 0);
 
@@ -1383,9 +1397,11 @@ static int snd_rme32_create(struct rme32 *rme32)
        pci_read_config_byte(pci, 8, &rme32->rev);
 
        /* set up ALSA pcm device for S/PDIF */
-       if ((err = snd_pcm_new(rme32->card, "Digi32 IEC958", 0, 1, 1, 
&rme32->spdif_pcm)) < 0) {
+       err = snd_pcm_new(rme32->card, "Digi32 IEC958",
+                         0, 1, 1, &rme32->spdif_pcm);
+       if (err < 0)
                return err;
-       }
+
        rme32->spdif_pcm->private_data = rme32;
        rme32->spdif_pcm->private_free = snd_rme32_free_spdif_pcm;
        strcpy(rme32->spdif_pcm->name, "Digi32 IEC958");
@@ -1413,11 +1429,11 @@ static int snd_rme32_create(struct rme32 *rme32)
                rme32->adat_pcm = NULL;
        }
        else {
-               if ((err = snd_pcm_new(rme32->card, "Digi32 ADAT", 1,
-                                      1, 1, &rme32->adat_pcm)) < 0)
-               {
+               err = snd_pcm_new(rme32->card, "Digi32 ADAT",
+                                 1, 1, 1, &rme32->adat_pcm);
+               if (err < 0)
                        return err;
-               }               
+
                rme32->adat_pcm->private_data = rme32;
                rme32->adat_pcm->private_free = snd_rme32_free_adat_pcm;
                strcpy(rme32->adat_pcm->name, "Digi32 ADAT");
@@ -1460,9 +1476,9 @@ static int snd_rme32_create(struct rme32 *rme32)
 
 
        /* init switch interface */
-       if ((err = snd_rme32_create_switches(rme32->card, rme32)) < 0) {
+       err = snd_rme32_create_switches(rme32->card, rme32);
+       if (err < 0)
                return err;
-       }
 
        /* init proc interface */
        snd_rme32_proc_init(rme32);
@@ -1908,7 +1924,9 @@ static int snd_rme32_create_switches(struct snd_card 
*card, struct rme32 * rme32
        struct snd_kcontrol *kctl;
 
        for (idx = 0; idx < (int)ARRAY_SIZE(snd_rme32_controls); idx++) {
-               if ((err = snd_ctl_add(card, kctl = 
snd_ctl_new1(&snd_rme32_controls[idx], rme32))) < 0)
+               kctl = snd_ctl_new1(&snd_rme32_controls[idx], rme32);
+               err = snd_ctl_add(card, kctl);
+               if (err < 0)
                        return err;
                if (idx == 1)   /* IEC958 (S/PDIF) Stream */
                        rme32->spdif_ctl = kctl;
@@ -1952,7 +1970,9 @@ snd_rme32_probe(struct pci_dev *pci, const struct 
pci_device_id *pci_id)
        rme32->pci = pci;
         if (fullduplex[dev])
                rme32->fullduplex_mode = 1;
-       if ((err = snd_rme32_create(rme32)) < 0) {
+
+       err = snd_rme32_create(rme32);
+       if (err < 0) {
                snd_card_free(card);
                return err;
        }
@@ -1972,7 +1992,8 @@ snd_rme32_probe(struct pci_dev *pci, const struct 
pci_device_id *pci_id)
        sprintf(card->longname, "%s (Rev. %d) at 0x%lx, irq %d",
                card->shortname, rme32->rev, rme32->port, rme32->irq);
 
-       if ((err = snd_card_register(card)) < 0) {
+       err = snd_card_register(card);
+       if (err < 0) {
                snd_card_free(card);
                return err;
        }
-- 
2.15.0

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