diff options
| author | Markus Elfring <elfring@users.sourceforge.net> | 2017-08-12 15:18:56 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2017-08-12 23:27:21 +0200 |
| commit | 2cb98d010fdc7a545856baf32bce096fa431d250 (patch) | |
| tree | 4304386376aaf7026083a0d10acad1a108d80df2 /sound/pci/rme96.c | |
| parent | d72a8010ae60551ad14f1385e637be101cf741b5 (diff) | |
ALSA: rme96: Adjust five checks for null pointers
The script “checkpatch.pl” pointed information out like the following.
Comparison to NULL could be written …
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/rme96.c')
| -rw-r--r-- | sound/pci/rme96.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c index 0cdfd53b7796..b488d74c3b99 100644 --- a/sound/pci/rme96.c +++ b/sound/pci/rme96.c @@ -1199,7 +1199,7 @@ snd_rme96_playback_spdif_open(struct snd_pcm_substream *substream) snd_pcm_set_sync(substream); spin_lock_irq(&rme96->lock); - if (rme96->playback_substream != NULL) { + if (rme96->playback_substream) { spin_unlock_irq(&rme96->lock); return -EBUSY; } @@ -1248,7 +1248,7 @@ snd_rme96_capture_spdif_open(struct snd_pcm_substream *substream) } spin_lock_irq(&rme96->lock); - if (rme96->capture_substream != NULL) { + if (rme96->capture_substream) { spin_unlock_irq(&rme96->lock); return -EBUSY; } @@ -1268,7 +1268,7 @@ snd_rme96_playback_adat_open(struct snd_pcm_substream *substream) snd_pcm_set_sync(substream); spin_lock_irq(&rme96->lock); - if (rme96->playback_substream != NULL) { + if (rme96->playback_substream) { spin_unlock_irq(&rme96->lock); return -EBUSY; } @@ -1315,7 +1315,7 @@ snd_rme96_capture_adat_open(struct snd_pcm_substream *substream) } spin_lock_irq(&rme96->lock); - if (rme96->capture_substream != NULL) { + if (rme96->capture_substream) { spin_unlock_irq(&rme96->lock); return -EBUSY; } @@ -1578,9 +1578,9 @@ snd_rme96_free(void *private_data) { struct rme96 *rme96 = (struct rme96 *)private_data; - if (rme96 == NULL) { + if (!rme96) return; - } + if (rme96->irq >= 0) { snd_rme96_trigger(rme96, RME96_STOP_BOTH); rme96->areg &= ~RME96_AR_DAC_EN; |