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Subject[PATCH 1/2] ALSA: nm256: Adjust five function calls together with a variable assignment
From
Date
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Thu, 16 Nov 2017 17:37:26 +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 <elfring@users.sourceforge.net>
---
sound/pci/nm256/nm256.c | 19 +++++++++++++------
1 file changed, 13 insertions(+), 6 deletions(-)

diff --git a/sound/pci/nm256/nm256.c b/sound/pci/nm256/nm256.c
index b97f4ea6b56c..35ce5b3fd81a 100644
--- a/sound/pci/nm256/nm256.c
+++ b/sound/pci/nm256/nm256.c
@@ -1334,7 +1334,8 @@ snd_nm256_mixer(struct nm256 *chip)
if (! chip->ac97_regs)
return -ENOMEM;

- if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0)
+ err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus);
+ if (err < 0)
return err;

memset(&ac97, 0, sizeof(ac97));
@@ -1493,7 +1494,8 @@ snd_nm256_create(struct snd_card *card, struct pci_dev *pci,

*chip_ret = NULL;

- if ((err = pci_enable_device(pci)) < 0)
+ err = pci_enable_device(pci);
+ if (err < 0)
return err;

chip = kzalloc(sizeof(*chip), GFP_KERNEL);
@@ -1585,7 +1587,8 @@ snd_nm256_create(struct snd_card *card, struct pci_dev *pci,
chip->buffer_end = buffer_top;
else {
/* get buffer end pointer from signature */
- if ((err = snd_nm256_peek_for_sig(chip)) < 0)
+ err = snd_nm256_peek_for_sig(chip);
+ if (err < 0)
goto __error;
}

@@ -1635,7 +1638,8 @@ snd_nm256_create(struct snd_card *card, struct pci_dev *pci,

// pci_set_master(pci); /* needed? */

- if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0)
+ err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops);
+ if (err < 0)
goto __error;

*chip_ret = chip;
@@ -1717,7 +1721,9 @@ static int snd_nm256_probe(struct pci_dev *pci,
capture_bufsize = 4;
if (capture_bufsize > 128)
capture_bufsize = 128;
- if ((err = snd_nm256_create(card, pci, &chip)) < 0) {
+
+ err = snd_nm256_create(card, pci, &chip);
+ if (err < 0) {
snd_card_free(card);
return err;
}
@@ -1744,7 +1750,8 @@ static int snd_nm256_probe(struct pci_dev *pci,
card->shortname,
chip->buffer_addr, chip->cport_addr, chip->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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