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ALSA: rme9652: Improve eight size determinations

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Replace the specification of data structures by variable references
as the parameter for the operator "sizeof" to make the corresponding size
determination a bit safer according to the Linux coding style convention.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Markus Elfring 2017-08-12 16:50:06 +02:00 committed by Takashi Iwai
parent 9dba54296b
commit 7dfec5075f
1 changed files with 8 additions and 10 deletions
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18
sound/pci/rme9652/hdspm.c
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@ -6221,7 +6221,7 @@ static int snd_hdspm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
}
levels->status2 = hdspm_read(hdspm, HDSPM_statusRegister2);
s = copy_to_user(argp, levels, sizeof(struct hdspm_peak_rms));
s = copy_to_user(argp, levels, sizeof(*levels));
if (0 != s) {
/* dev_err(hdspm->card->dev, "copy_to_user(.., .., %lu): %lu
[Levels]\n", sizeof(struct hdspm_peak_rms), s);
@ -6266,7 +6266,7 @@ static int snd_hdspm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
ltc.input_format = no_video;
}
s = copy_to_user(argp, &ltc, sizeof(struct hdspm_ltc));
s = copy_to_user(argp, &ltc, sizeof(ltc));
if (0 != s) {
/*
dev_err(hdspm->card->dev, "copy_to_user(.., .., %lu): %lu [LTC]\n", sizeof(struct hdspm_ltc), s); */
@ -6357,7 +6357,7 @@ static int snd_hdspm_hwdep_ioctl(struct snd_hwdep *hw, struct file *file,
if (copy_from_user(&mixer, argp, sizeof(mixer)))
return -EFAULT;
if (copy_to_user((void __user *)mixer.mixer, hdspm->mixer,
sizeof(struct hdspm_mixer)))
sizeof(*mixer.mixer)))
return -EFAULT;
break;
@ -6636,8 +6636,8 @@ static int snd_hdspm_create(struct snd_card *card,
hdspm->irq = pci->irq;
dev_dbg(card->dev, "kmalloc Mixer memory of %zd Bytes\n",
sizeof(struct hdspm_mixer));
hdspm->mixer = kzalloc(sizeof(struct hdspm_mixer), GFP_KERNEL);
sizeof(*hdspm->mixer));
hdspm->mixer = kzalloc(sizeof(*hdspm->mixer), GFP_KERNEL);
if (!hdspm->mixer)
return -ENOMEM;
@ -6774,8 +6774,7 @@ static int snd_hdspm_create(struct snd_card *card,
if (hdspm_read(hdspm, HDSPM_statusRegister2) &
HDSPM_s2_tco_detect) {
hdspm->midiPorts++;
hdspm->tco = kzalloc(sizeof(struct hdspm_tco),
GFP_KERNEL);
hdspm->tco = kzalloc(sizeof(*hdspm->tco), GFP_KERNEL);
if (NULL != hdspm->tco) {
hdspm_tco_write(hdspm);
}
@ -6789,8 +6788,7 @@ static int snd_hdspm_create(struct snd_card *card,
case AES32:
if (hdspm_read(hdspm, HDSPM_statusRegister) & HDSPM_tco_detect) {
hdspm->midiPorts++;
hdspm->tco = kzalloc(sizeof(struct hdspm_tco),
GFP_KERNEL);
hdspm->tco = kzalloc(sizeof(*hdspm->tco), GFP_KERNEL);
if (NULL != hdspm->tco) {
hdspm_tco_write(hdspm);
}
@ -6941,7 +6939,7 @@ static int snd_hdspm_probe(struct pci_dev *pci,
}
err = snd_card_new(&pci->dev, index[dev], id[dev],
THIS_MODULE, sizeof(struct hdspm), &card);
THIS_MODULE, sizeof(*hdspm), &card);
if (err < 0)
return err;