summaryrefslogtreecommitdiff
path: root/sound/pci/rme9652
diff options
context:
space:
mode:
authorMarkus Elfring <elfring@users.sourceforge.net>2017-08-12 17:07:09 +0200
committerTakashi Iwai <tiwai@suse.de>2017-08-12 23:30:20 +0200
commitda2ea374b28aa6e6e5621396e0ae58580fe94af8 (patch)
treecab7952bd45e79435ac98ed87afa709025694e16 /sound/pci/rme9652
parent7dfec5075f23cdf114f530979bdf3c8dc232ea22 (diff)
ALSA: rme9652: Adjust seven 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/rme9652')
-rw-r--r--sound/pci/rme9652/hdspm.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 8d339fb7c24b..25284d8d9758 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -1521,7 +1521,7 @@ static void hdspm_silence_playback(struct hdspm *hdspm)
int n = hdspm->period_bytes;
void *buf = hdspm->playback_buffer;
- if (buf == NULL)
+ if (!buf)
return;
for (i = 0; i < HDSPM_MAX_CHANNELS; i++) {
@@ -4706,7 +4706,7 @@ static int snd_hdspm_create_controls(struct snd_card *card,
break;
}
- if (NULL != list) {
+ if (list) {
for (idx = 0; idx < limit; idx++) {
err = snd_ctl_add(card,
snd_ctl_new1(&list[idx], hdspm));
@@ -6069,13 +6069,13 @@ static int snd_hdspm_open(struct snd_pcm_substream *substream)
snd_hdspm_capture_subinfo;
if (playback) {
- if (hdspm->capture_substream == NULL)
+ if (!hdspm->capture_substream)
hdspm_stop_audio(hdspm);
hdspm->playback_pid = current->pid;
hdspm->playback_substream = substream;
} else {
- if (hdspm->playback_substream == NULL)
+ if (!hdspm->playback_substream)
hdspm_stop_audio(hdspm);
hdspm->capture_pid = current->pid;
@@ -6775,9 +6775,9 @@ static int snd_hdspm_create(struct snd_card *card,
HDSPM_s2_tco_detect) {
hdspm->midiPorts++;
hdspm->tco = kzalloc(sizeof(*hdspm->tco), GFP_KERNEL);
- if (NULL != hdspm->tco) {
+ if (hdspm->tco)
hdspm_tco_write(hdspm);
- }
+
dev_info(card->dev, "AIO/RayDAT TCO module found\n");
} else {
hdspm->tco = NULL;
@@ -6789,9 +6789,9 @@ static int snd_hdspm_create(struct snd_card *card,
if (hdspm_read(hdspm, HDSPM_statusRegister) & HDSPM_tco_detect) {
hdspm->midiPorts++;
hdspm->tco = kzalloc(sizeof(*hdspm->tco), GFP_KERNEL);
- if (NULL != hdspm->tco) {
+ if (hdspm->tco)
hdspm_tco_write(hdspm);
- }
+
dev_info(card->dev, "MADI/AES TCO module found\n");
} else {
hdspm->tco = NULL;
@@ -6868,7 +6868,7 @@ static int snd_hdspm_create(struct snd_card *card,
* this case, we don't set card->id to avoid collisions
* when running with multiple cards.
*/
- if (NULL == id[hdspm->dev] && hdspm->serial != 0xFFFFFF) {
+ if (!id[hdspm->dev] && hdspm->serial != 0xFFFFFF) {
snprintf(card->id, sizeof(card->id),
"HDSPMx%06x", hdspm->serial);
snd_card_set_id(card, card->id);